tools/side_chain_tool/web/node_modules/jquery/dist/jquery.slim.js

   1 /*!
   2  * jQuery JavaScript Library v3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector
   3  * https://jquery.com/
   4  *
   5  * Includes Sizzle.js
   6  * https://sizzlejs.com/
   7  *
   8  * Copyright JS Foundation and other contributors
   9  * Released under the MIT license
  10  * https://jquery.org/license
  11  *
  12  * Date: 2018-01-20T17:24Z
  13  */
  14 ( function( global, factory ) {
  15
  16         "use strict";
  17
  18         if ( typeof module === "object" && typeof module.exports === "object" ) {
  19
  20                 // For CommonJS and CommonJS-like environments where a proper `window`
  21                 // is present, execute the factory and get jQuery.
  22                 // For environments that do not have a `window` with a `document`
  23                 // (such as Node.js), expose a factory as module.exports.
  24                 // This accentuates the need for the creation of a real `window`.
  25                 // e.g. var jQuery = require("jquery")(window);
  26                 // See ticket #14549 for more info.
  27                 module.exports = global.document ?
  28                         factory( global, true ) :
  29                         function( w ) {
  30                                 if ( !w.document ) {
  31                                         throw new Error( "jQuery requires a window with a document" );
  32                                 }
  33                                 return factory( w );
  34                         };
  35         } else {
  36                 factory( global );
  37         }
  38
  39 // Pass this if window is not defined yet
  40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  41
  42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
  43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
  44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
  45 // enough that all such attempts are guarded in a try block.
  46 "use strict";
  47
  48 var arr = [];
  49
  50 var document = window.document;
  51
  52 var getProto = Object.getPrototypeOf;
  53
  54 var slice = arr.slice;
  55
  56 var concat = arr.concat;
  57
  58 var push = arr.push;
  59
  60 var indexOf = arr.indexOf;
  61
  62 var class2type = {};
  63
  64 var toString = class2type.toString;
  65
  66 var hasOwn = class2type.hasOwnProperty;
  67
  68 var fnToString = hasOwn.toString;
  69
  70 var ObjectFunctionString = fnToString.call( Object );
  71
  72 var support = {};
  73
  74 var isFunction = function isFunction( obj ) {
  75
  76       // Support: Chrome <=57, Firefox <=52
  77       // In some browsers, typeof returns "function" for HTML <object> elements
  78       // (i.e., `typeof document.createElement( "object" ) === "function"`).
  79       // We don't want to classify *any* DOM node as a function.
  80       return typeof obj === "function" && typeof obj.nodeType !== "number";
  81   };
  82
  83
  84 var isWindow = function isWindow( obj ) {
  85                 return obj != null && obj === obj.window;
  86         };
  87
  88
  89
  90
  91         var preservedScriptAttributes = {
  92                 type: true,
  93                 src: true,
  94                 noModule: true
  95         };
  96
  97         function DOMEval( code, doc, node ) {
  98                 doc = doc || document;
  99
 100                 var i,
 101                         script = doc.createElement( "script" );
 102
 103                 script.text = code;
 104                 if ( node ) {
 105                         for ( i in preservedScriptAttributes ) {
 106                                 if ( node[ i ] ) {
 107                                         script[ i ] = node[ i ];
 108                                 }
 109                         }
 110                 }
 111                 doc.head.appendChild( script ).parentNode.removeChild( script );
 112         }
 113
 114
 115 function toType( obj ) {
 116         if ( obj == null ) {
 117                 return obj + "";
 118         }
 119
 120         // Support: Android <=2.3 only (functionish RegExp)
 121         return typeof obj === "object" || typeof obj === "function" ?
 122                 class2type[ toString.call( obj ) ] || "object" :
 123                 typeof obj;
 124 }
 125 /* global Symbol */
 126 // Defining this global in .eslintrc.json would create a danger of using the global
 127 // unguarded in another place, it seems safer to define global only for this module
 128
 129
 130
 131 var
 132         version = "3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector",
 133
 134         // Define a local copy of jQuery
 135         jQuery = function( selector, context ) {
 136
 137                 // The jQuery object is actually just the init constructor 'enhanced'
 138                 // Need init if jQuery is called (just allow error to be thrown if not included)
 139                 return new jQuery.fn.init( selector, context );
 140         },
 141
 142         // Support: Android <=4.0 only
 143         // Make sure we trim BOM and NBSP
 144         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
 145
 146 jQuery.fn = jQuery.prototype = {
 147
 148         // The current version of jQuery being used
 149         jquery: version,
 150
 151         constructor: jQuery,
 152
 153         // The default length of a jQuery object is 0
 154         length: 0,
 155
 156         toArray: function() {
 157                 return slice.call( this );
 158         },
 159
 160         // Get the Nth element in the matched element set OR
 161         // Get the whole matched element set as a clean array
 162         get: function( num ) {
 163
 164                 // Return all the elements in a clean array
 165                 if ( num == null ) {
 166                         return slice.call( this );
 167                 }
 168
 169                 // Return just the one element from the set
 170                 return num < 0 ? this[ num + this.length ] : this[ num ];
 171         },
 172
 173         // Take an array of elements and push it onto the stack
 174         // (returning the new matched element set)
 175         pushStack: function( elems ) {
 176
 177                 // Build a new jQuery matched element set
 178                 var ret = jQuery.merge( this.constructor(), elems );
 179
 180                 // Add the old object onto the stack (as a reference)
 181                 ret.prevObject = this;
 182
 183                 // Return the newly-formed element set
 184                 return ret;
 185         },
 186
 187         // Execute a callback for every element in the matched set.
 188         each: function( callback ) {
 189                 return jQuery.each( this, callback );
 190         },
 191
 192         map: function( callback ) {
 193                 return this.pushStack( jQuery.map( this, function( elem, i ) {
 194                         return callback.call( elem, i, elem );
 195                 } ) );
 196         },
 197
 198         slice: function() {
 199                 return this.pushStack( slice.apply( this, arguments ) );
 200         },
 201
 202         first: function() {
 203                 return this.eq( 0 );
 204         },
 205
 206         last: function() {
 207                 return this.eq( -1 );
 208         },
 209
 210         eq: function( i ) {
 211                 var len = this.length,
 212                         j = +i + ( i < 0 ? len : 0 );
 213                 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
 214         },
 215
 216         end: function() {
 217                 return this.prevObject || this.constructor();
 218         },
 219
 220         // For internal use only.
 221         // Behaves like an Array's method, not like a jQuery method.
 222         push: push,
 223         sort: arr.sort,
 224         splice: arr.splice
 225 };
 226
 227 jQuery.extend = jQuery.fn.extend = function() {
 228         var options, name, src, copy, copyIsArray, clone,
 229                 target = arguments[ 0 ] || {},
 230                 i = 1,
 231                 length = arguments.length,
 232                 deep = false;
 233
 234         // Handle a deep copy situation
 235         if ( typeof target === "boolean" ) {
 236                 deep = target;
 237
 238                 // Skip the boolean and the target
 239                 target = arguments[ i ] || {};
 240                 i++;
 241         }
 242
 243         // Handle case when target is a string or something (possible in deep copy)
 244         if ( typeof target !== "object" && !isFunction( target ) ) {
 245                 target = {};
 246         }
 247
 248         // Extend jQuery itself if only one argument is passed
 249         if ( i === length ) {
 250                 target = this;
 251                 i--;
 252         }
 253
 254         for ( ; i < length; i++ ) {
 255
 256                 // Only deal with non-null/undefined values
 257                 if ( ( options = arguments[ i ] ) != null ) {
 258
 259                         // Extend the base object
 260                         for ( name in options ) {
 261                                 src = target[ name ];
 262                                 copy = options[ name ];
 263
 264                                 // Prevent never-ending loop
 265                                 if ( target === copy ) {
 266                                         continue;
 267                                 }
 268
 269                                 // Recurse if we're merging plain objects or arrays
 270                                 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
 271                                         ( copyIsArray = Array.isArray( copy ) ) ) ) {
 272
 273                                         if ( copyIsArray ) {
 274                                                 copyIsArray = false;
 275                                                 clone = src && Array.isArray( src ) ? src : [];
 276
 277                                         } else {
 278                                                 clone = src && jQuery.isPlainObject( src ) ? src : {};
 279                                         }
 280
 281                                         // Never move original objects, clone them
 282                                         target[ name ] = jQuery.extend( deep, clone, copy );
 283
 284                                 // Don't bring in undefined values
 285                                 } else if ( copy !== undefined ) {
 286                                         target[ name ] = copy;
 287                                 }
 288                         }
 289                 }
 290         }
 291
 292         // Return the modified object
 293         return target;
 294 };
 295
 296 jQuery.extend( {
 297
 298         // Unique for each copy of jQuery on the page
 299         expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
 300
 301         // Assume jQuery is ready without the ready module
 302         isReady: true,
 303
 304         error: function( msg ) {
 305                 throw new Error( msg );
 306         },
 307
 308         noop: function() {},
 309
 310         isPlainObject: function( obj ) {
 311                 var proto, Ctor;
 312
 313                 // Detect obvious negatives
 314                 // Use toString instead of jQuery.type to catch host objects
 315                 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
 316                         return false;
 317                 }
 318
 319                 proto = getProto( obj );
 320
 321                 // Objects with no prototype (e.g., `Object.create( null )`) are plain
 322                 if ( !proto ) {
 323                         return true;
 324                 }
 325
 326                 // Objects with prototype are plain iff they were constructed by a global Object function
 327                 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
 328                 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
 329         },
 330
 331         isEmptyObject: function( obj ) {
 332
 333                 /* eslint-disable no-unused-vars */
 334                 // See https://github.com/eslint/eslint/issues/6125
 335                 var name;
 336
 337                 for ( name in obj ) {
 338                         return false;
 339                 }
 340                 return true;
 341         },
 342
 343         // Evaluates a script in a global context
 344         globalEval: function( code ) {
 345                 DOMEval( code );
 346         },
 347
 348         each: function( obj, callback ) {
 349                 var length, i = 0;
 350
 351                 if ( isArrayLike( obj ) ) {
 352                         length = obj.length;
 353                         for ( ; i < length; i++ ) {
 354                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
 355                                         break;
 356                                 }
 357                         }
 358                 } else {
 359                         for ( i in obj ) {
 360                                 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
 361                                         break;
 362                                 }
 363                         }
 364                 }
 365
 366                 return obj;
 367         },
 368
 369         // Support: Android <=4.0 only
 370         trim: function( text ) {
 371                 return text == null ?
 372                         "" :
 373                         ( text + "" ).replace( rtrim, "" );
 374         },
 375
 376         // results is for internal usage only
 377         makeArray: function( arr, results ) {
 378                 var ret = results || [];
 379
 380                 if ( arr != null ) {
 381                         if ( isArrayLike( Object( arr ) ) ) {
 382                                 jQuery.merge( ret,
 383                                         typeof arr === "string" ?
 384                                         [ arr ] : arr
 385                                 );
 386                         } else {
 387                                 push.call( ret, arr );
 388                         }
 389                 }
 390
 391                 return ret;
 392         },
 393
 394         inArray: function( elem, arr, i ) {
 395                 return arr == null ? -1 : indexOf.call( arr, elem, i );
 396         },
 397
 398         // Support: Android <=4.0 only, PhantomJS 1 only
 399         // push.apply(_, arraylike) throws on ancient WebKit
 400         merge: function( first, second ) {
 401                 var len = +second.length,
 402                         j = 0,
 403                         i = first.length;
 404
 405                 for ( ; j < len; j++ ) {
 406                         first[ i++ ] = second[ j ];
 407                 }
 408
 409                 first.length = i;
 410
 411                 return first;
 412         },
 413
 414         grep: function( elems, callback, invert ) {
 415                 var callbackInverse,
 416                         matches = [],
 417                         i = 0,
 418                         length = elems.length,
 419                         callbackExpect = !invert;
 420
 421                 // Go through the array, only saving the items
 422                 // that pass the validator function
 423                 for ( ; i < length; i++ ) {
 424                         callbackInverse = !callback( elems[ i ], i );
 425                         if ( callbackInverse !== callbackExpect ) {
 426                                 matches.push( elems[ i ] );
 427                         }
 428                 }
 429
 430                 return matches;
 431         },
 432
 433         // arg is for internal usage only
 434         map: function( elems, callback, arg ) {
 435                 var length, value,
 436                         i = 0,
 437                         ret = [];
 438
 439                 // Go through the array, translating each of the items to their new values
 440                 if ( isArrayLike( elems ) ) {
 441                         length = elems.length;
 442                         for ( ; i < length; i++ ) {
 443                                 value = callback( elems[ i ], i, arg );
 444
 445                                 if ( value != null ) {
 446                                         ret.push( value );
 447                                 }
 448                         }
 449
 450                 // Go through every key on the object,
 451                 } else {
 452                         for ( i in elems ) {
 453                                 value = callback( elems[ i ], i, arg );
 454
 455                                 if ( value != null ) {
 456                                         ret.push( value );
 457                                 }
 458                         }
 459                 }
 460
 461                 // Flatten any nested arrays
 462                 return concat.apply( [], ret );
 463         },
 464
 465         // A global GUID counter for objects
 466         guid: 1,
 467
 468         // jQuery.support is not used in Core but other projects attach their
 469         // properties to it so it needs to exist.
 470         support: support
 471 } );
 472
 473 if ( typeof Symbol === "function" ) {
 474         jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
 475 }
 476
 477 // Populate the class2type map
 478 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
 479 function( i, name ) {
 480         class2type[ "[object " + name + "]" ] = name.toLowerCase();
 481 } );
 482
 483 function isArrayLike( obj ) {
 484
 485         // Support: real iOS 8.2 only (not reproducible in simulator)
 486         // `in` check used to prevent JIT error (gh-2145)
 487         // hasOwn isn't used here due to false negatives
 488         // regarding Nodelist length in IE
 489         var length = !!obj && "length" in obj && obj.length,
 490                 type = toType( obj );
 491
 492         if ( isFunction( obj ) || isWindow( obj ) ) {
 493                 return false;
 494         }
 495
 496         return type === "array" || length === 0 ||
 497                 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
 498 }
 499 var Sizzle =
 500 /*!
 501  * Sizzle CSS Selector Engine v2.3.3
 502  * https://sizzlejs.com/
 503  *
 504  * Copyright jQuery Foundation and other contributors
 505  * Released under the MIT license
 506  * http://jquery.org/license
 507  *
 508  * Date: 2016-08-08
 509  */
 510 (function( window ) {
 511
 512 var i,
 513         support,
 514         Expr,
 515         getText,
 516         isXML,
 517         tokenize,
 518         compile,
 519         select,
 520         outermostContext,
 521         sortInput,
 522         hasDuplicate,
 523
 524         // Local document vars
 525         setDocument,
 526         document,
 527         docElem,
 528         documentIsHTML,
 529         rbuggyQSA,
 530         rbuggyMatches,
 531         matches,
 532         contains,
 533
 534         // Instance-specific data
 535         expando = "sizzle" + 1 * new Date(),
 536         preferredDoc = window.document,
 537         dirruns = 0,
 538         done = 0,
 539         classCache = createCache(),
 540         tokenCache = createCache(),
 541         compilerCache = createCache(),
 542         sortOrder = function( a, b ) {
 543                 if ( a === b ) {
 544                         hasDuplicate = true;
 545                 }
 546                 return 0;
 547         },
 548
 549         // Instance methods
 550         hasOwn = ({}).hasOwnProperty,
 551         arr = [],
 552         pop = arr.pop,
 553         push_native = arr.push,
 554         push = arr.push,
 555         slice = arr.slice,
 556         // Use a stripped-down indexOf as it's faster than native
 557         // https://jsperf.com/thor-indexof-vs-for/5
 558         indexOf = function( list, elem ) {
 559                 var i = 0,
 560                         len = list.length;
 561                 for ( ; i < len; i++ ) {
 562                         if ( list[i] === elem ) {
 563                                 return i;
 564                         }
 565                 }
 566                 return -1;
 567         },
 568
 569         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
 570
 571         // Regular expressions
 572
 573         // http://www.w3.org/TR/css3-selectors/#whitespace
 574         whitespace = "[\\x20\\t\\r\\n\\f]",
 575
 576         // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
 577         identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
 578
 579         // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
 580         attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
 581                 // Operator (capture 2)
 582                 "*([*^$|!~]?=)" + whitespace +
 583                 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
 584                 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
 585                 "*\\]",
 586
 587         pseudos = ":(" + identifier + ")(?:\\((" +
 588                 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
 589                 // 1. quoted (capture 3; capture 4 or capture 5)
 590                 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
 591                 // 2. simple (capture 6)
 592                 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
 593                 // 3. anything else (capture 2)
 594                 ".*" +
 595                 ")\\)|)",
 596
 597         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 598         rwhitespace = new RegExp( whitespace + "+", "g" ),
 599         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
 600
 601         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
 602         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
 603
 604         rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
 605
 606         rpseudo = new RegExp( pseudos ),
 607         ridentifier = new RegExp( "^" + identifier + "$" ),
 608
 609         matchExpr = {
 610                 "ID": new RegExp( "^#(" + identifier + ")" ),
 611                 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
 612                 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
 613                 "ATTR": new RegExp( "^" + attributes ),
 614                 "PSEUDO": new RegExp( "^" + pseudos ),
 615                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
 616                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
 617                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
 618                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
 619                 // For use in libraries implementing .is()
 620                 // We use this for POS matching in `select`
 621                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
 622                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 623         },
 624
 625         rinputs = /^(?:input|select|textarea|button)$/i,
 626         rheader = /^h\d$/i,
 627
 628         rnative = /^[^{]+\{\s*\[native \w/,
 629
 630         // Easily-parseable/retrievable ID or TAG or CLASS selectors
 631         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
 632
 633         rsibling = /[+~]/,
 634
 635         // CSS escapes
 636         // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
 637         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
 638         funescape = function( _, escaped, escapedWhitespace ) {
 639                 var high = "0x" + escaped - 0x10000;
 640                 // NaN means non-codepoint
 641                 // Support: Firefox<24
 642                 // Workaround erroneous numeric interpretation of +"0x"
 643                 return high !== high || escapedWhitespace ?
 644                         escaped :
 645                         high < 0 ?
 646                                 // BMP codepoint
 647                                 String.fromCharCode( high + 0x10000 ) :
 648                                 // Supplemental Plane codepoint (surrogate pair)
 649                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
 650         },
 651
 652         // CSS string/identifier serialization
 653         // https://drafts.csswg.org/cssom/#common-serializing-idioms
 654         rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
 655         fcssescape = function( ch, asCodePoint ) {
 656                 if ( asCodePoint ) {
 657
 658                         // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
 659                         if ( ch === "\0" ) {
 660                                 return "\uFFFD";
 661                         }
 662
 663                         // Control characters and (dependent upon position) numbers get escaped as code points
 664                         return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
 665                 }
 666
 667                 // Other potentially-special ASCII characters get backslash-escaped
 668                 return "\\" + ch;
 669         },
 670
 671         // Used for iframes
 672         // See setDocument()
 673         // Removing the function wrapper causes a "Permission Denied"
 674         // error in IE
 675         unloadHandler = function() {
 676                 setDocument();
 677         },
 678
 679         disabledAncestor = addCombinator(
 680                 function( elem ) {
 681                         return elem.disabled === true && ("form" in elem || "label" in elem);
 682                 },
 683                 { dir: "parentNode", next: "legend" }
 684         );
 685
 686 // Optimize for push.apply( _, NodeList )
 687 try {
 688         push.apply(
 689                 (arr = slice.call( preferredDoc.childNodes )),
 690                 preferredDoc.childNodes
 691         );
 692         // Support: Android<4.0
 693         // Detect silently failing push.apply
 694         arr[ preferredDoc.childNodes.length ].nodeType;
 695 } catch ( e ) {
 696         push = { apply: arr.length ?
 697
 698                 // Leverage slice if possible
 699                 function( target, els ) {
 700                         push_native.apply( target, slice.call(els) );
 701                 } :
 702
 703                 // Support: IE<9
 704                 // Otherwise append directly
 705                 function( target, els ) {
 706                         var j = target.length,
 707                                 i = 0;
 708                         // Can't trust NodeList.length
 709                         while ( (target[j++] = els[i++]) ) {}
 710                         target.length = j - 1;
 711                 }
 712         };
 713 }
 714
 715 function Sizzle( selector, context, results, seed ) {
 716         var m, i, elem, nid, match, groups, newSelector,
 717                 newContext = context && context.ownerDocument,
 718
 719                 // nodeType defaults to 9, since context defaults to document
 720                 nodeType = context ? context.nodeType : 9;
 721
 722         results = results || [];
 723
 724         // Return early from calls with invalid selector or context
 725         if ( typeof selector !== "string" || !selector ||
 726                 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
 727
 728                 return results;
 729         }
 730
 731         // Try to shortcut find operations (as opposed to filters) in HTML documents
 732         if ( !seed ) {
 733
 734                 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
 735                         setDocument( context );
 736                 }
 737                 context = context || document;
 738
 739                 if ( documentIsHTML ) {
 740
 741                         // If the selector is sufficiently simple, try using a "get*By*" DOM method
 742                         // (excepting DocumentFragment context, where the methods don't exist)
 743                         if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
 744
 745                                 // ID selector
 746                                 if ( (m = match[1]) ) {
 747
 748                                         // Document context
 749                                         if ( nodeType === 9 ) {
 750                                                 if ( (elem = context.getElementById( m )) ) {
 751
 752                                                         // Support: IE, Opera, Webkit
 753                                                         // TODO: identify versions
 754                                                         // getElementById can match elements by name instead of ID
 755                                                         if ( elem.id === m ) {
 756                                                                 results.push( elem );
 757                                                                 return results;
 758                                                         }
 759                                                 } else {
 760                                                         return results;
 761                                                 }
 762
 763                                         // Element context
 764                                         } else {
 765
 766                                                 // Support: IE, Opera, Webkit
 767                                                 // TODO: identify versions
 768                                                 // getElementById can match elements by name instead of ID
 769                                                 if ( newContext && (elem = newContext.getElementById( m )) &&
 770                                                         contains( context, elem ) &&
 771                                                         elem.id === m ) {
 772
 773                                                         results.push( elem );
 774                                                         return results;
 775                                                 }
 776                                         }
 777
 778                                 // Type selector
 779                                 } else if ( match[2] ) {
 780                                         push.apply( results, context.getElementsByTagName( selector ) );
 781                                         return results;
 782
 783                                 // Class selector
 784                                 } else if ( (m = match[3]) && support.getElementsByClassName &&
 785                                         context.getElementsByClassName ) {
 786
 787                                         push.apply( results, context.getElementsByClassName( m ) );
 788                                         return results;
 789                                 }
 790                         }
 791
 792                         // Take advantage of querySelectorAll
 793                         if ( support.qsa &&
 794                                 !compilerCache[ selector + " " ] &&
 795                                 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
 796
 797                                 if ( nodeType !== 1 ) {
 798                                         newContext = context;
 799                                         newSelector = selector;
 800
 801                                 // qSA looks outside Element context, which is not what we want
 802                                 // Thanks to Andrew Dupont for this workaround technique
 803                                 // Support: IE <=8
 804                                 // Exclude object elements
 805                                 } else if ( context.nodeName.toLowerCase() !== "object" ) {
 806
 807                                         // Capture the context ID, setting it first if necessary
 808                                         if ( (nid = context.getAttribute( "id" )) ) {
 809                                                 nid = nid.replace( rcssescape, fcssescape );
 810                                         } else {
 811                                                 context.setAttribute( "id", (nid = expando) );
 812                                         }
 813
 814                                         // Prefix every selector in the list
 815                                         groups = tokenize( selector );
 816                                         i = groups.length;
 817                                         while ( i-- ) {
 818                                                 groups[i] = "#" + nid + " " + toSelector( groups[i] );
 819                                         }
 820                                         newSelector = groups.join( "," );
 821
 822                                         // Expand context for sibling selectors
 823                                         newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
 824                                                 context;
 825                                 }
 826
 827                                 if ( newSelector ) {
 828                                         try {
 829                                                 push.apply( results,
 830                                                         newContext.querySelectorAll( newSelector )
 831                                                 );
 832                                                 return results;
 833                                         } catch ( qsaError ) {
 834                                         } finally {
 835                                                 if ( nid === expando ) {
 836                                                         context.removeAttribute( "id" );
 837                                                 }
 838                                         }
 839                                 }
 840                         }
 841                 }
 842         }
 843
 844         // All others
 845         return select( selector.replace( rtrim, "$1" ), context, results, seed );
 846 }
 847
 848 /**
 849  * Create key-value caches of limited size
 850  * @returns {function(string, object)} Returns the Object data after storing it on itself with
 851  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
 852  *      deleting the oldest entry
 853  */
 854 function createCache() {
 855         var keys = [];
 856
 857         function cache( key, value ) {
 858                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
 859                 if ( keys.push( key + " " ) > Expr.cacheLength ) {
 860                         // Only keep the most recent entries
 861                         delete cache[ keys.shift() ];
 862                 }
 863                 return (cache[ key + " " ] = value);
 864         }
 865         return cache;
 866 }
 867
 868 /**
 869  * Mark a function for special use by Sizzle
 870  * @param {Function} fn The function to mark
 871  */
 872 function markFunction( fn ) {
 873         fn[ expando ] = true;
 874         return fn;
 875 }
 876
 877 /**
 878  * Support testing using an element
 879  * @param {Function} fn Passed the created element and returns a boolean result
 880  */
 881 function assert( fn ) {
 882         var el = document.createElement("fieldset");
 883
 884         try {
 885                 return !!fn( el );
 886         } catch (e) {
 887                 return false;
 888         } finally {
 889                 // Remove from its parent by default
 890                 if ( el.parentNode ) {
 891                         el.parentNode.removeChild( el );
 892                 }
 893                 // release memory in IE
 894                 el = null;
 895         }
 896 }
 897
 898 /**
 899  * Adds the same handler for all of the specified attrs
 900  * @param {String} attrs Pipe-separated list of attributes
 901  * @param {Function} handler The method that will be applied
 902  */
 903 function addHandle( attrs, handler ) {
 904         var arr = attrs.split("|"),
 905                 i = arr.length;
 906
 907         while ( i-- ) {
 908                 Expr.attrHandle[ arr[i] ] = handler;
 909         }
 910 }
 911
 912 /**
 913  * Checks document order of two siblings
 914  * @param {Element} a
 915  * @param {Element} b
 916  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
 917  */
 918 function siblingCheck( a, b ) {
 919         var cur = b && a,
 920                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
 921                         a.sourceIndex - b.sourceIndex;
 922
 923         // Use IE sourceIndex if available on both nodes
 924         if ( diff ) {
 925                 return diff;
 926         }
 927
 928         // Check if b follows a
 929         if ( cur ) {
 930                 while ( (cur = cur.nextSibling) ) {
 931                         if ( cur === b ) {
 932                                 return -1;
 933                         }
 934                 }
 935         }
 936
 937         return a ? 1 : -1;
 938 }
 939
 940 /**
 941  * Returns a function to use in pseudos for input types
 942  * @param {String} type
 943  */
 944 function createInputPseudo( type ) {
 945         return function( elem ) {
 946                 var name = elem.nodeName.toLowerCase();
 947                 return name === "input" && elem.type === type;
 948         };
 949 }
 950
 951 /**
 952  * Returns a function to use in pseudos for buttons
 953  * @param {String} type
 954  */
 955 function createButtonPseudo( type ) {
 956         return function( elem ) {
 957                 var name = elem.nodeName.toLowerCase();
 958                 return (name === "input" || name === "button") && elem.type === type;
 959         };
 960 }
 961
 962 /**
 963  * Returns a function to use in pseudos for :enabled/:disabled
 964  * @param {Boolean} disabled true for :disabled; false for :enabled
 965  */
 966 function createDisabledPseudo( disabled ) {
 967
 968         // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
 969         return function( elem ) {
 970
 971                 // Only certain elements can match :enabled or :disabled
 972                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
 973                 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
 974                 if ( "form" in elem ) {
 975
 976                         // Check for inherited disabledness on relevant non-disabled elements:
 977                         // * listed form-associated elements in a disabled fieldset
 978                         //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
 979                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
 980                         // * option elements in a disabled optgroup
 981                         //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
 982                         // All such elements have a "form" property.
 983                         if ( elem.parentNode && elem.disabled === false ) {
 984
 985                                 // Option elements defer to a parent optgroup if present
 986                                 if ( "label" in elem ) {
 987                                         if ( "label" in elem.parentNode ) {
 988                                                 return elem.parentNode.disabled === disabled;
 989                                         } else {
 990                                                 return elem.disabled === disabled;
 991                                         }
 992                                 }
 993
 994                                 // Support: IE 6 - 11
 995                                 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
 996                                 return elem.isDisabled === disabled ||
 997
 998                                         // Where there is no isDisabled, check manually
 999                                         /* jshint -W018 */
1000                                         elem.isDisabled !== !disabled &&
1001                                                 disabledAncestor( elem ) === disabled;
1002                         }
1003
1004                         return elem.disabled === disabled;
1005
1006                 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1007                 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1008                 // even exist on them, let alone have a boolean value.
1009                 } else if ( "label" in elem ) {
1010                         return elem.disabled === disabled;
1011                 }
1012
1013                 // Remaining elements are neither :enabled nor :disabled
1014                 return false;
1015         };
1016 }
1017
1018 /**
1019  * Returns a function to use in pseudos for positionals
1020  * @param {Function} fn
1021  */
1022 function createPositionalPseudo( fn ) {
1023         return markFunction(function( argument ) {
1024                 argument = +argument;
1025                 return markFunction(function( seed, matches ) {
1026                         var j,
1027                                 matchIndexes = fn( [], seed.length, argument ),
1028                                 i = matchIndexes.length;
1029
1030                         // Match elements found at the specified indexes
1031                         while ( i-- ) {
1032                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1033                                         seed[j] = !(matches[j] = seed[j]);
1034                                 }
1035                         }
1036                 });
1037         });
1038 }
1039
1040 /**
1041  * Checks a node for validity as a Sizzle context
1042  * @param {Element|Object=} context
1043  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1044  */
1045 function testContext( context ) {
1046         return context && typeof context.getElementsByTagName !== "undefined" && context;
1047 }
1048
1049 // Expose support vars for convenience
1050 support = Sizzle.support = {};
1051
1052 /**
1053  * Detects XML nodes
1054  * @param {Element|Object} elem An element or a document
1055  * @returns {Boolean} True iff elem is a non-HTML XML node
1056  */
1057 isXML = Sizzle.isXML = function( elem ) {
1058         // documentElement is verified for cases where it doesn't yet exist
1059         // (such as loading iframes in IE - #4833)
1060         var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1061         return documentElement ? documentElement.nodeName !== "HTML" : false;
1062 };
1063
1064 /**
1065  * Sets document-related variables once based on the current document
1066  * @param {Element|Object} [doc] An element or document object to use to set the document
1067  * @returns {Object} Returns the current document
1068  */
1069 setDocument = Sizzle.setDocument = function( node ) {
1070         var hasCompare, subWindow,
1071                 doc = node ? node.ownerDocument || node : preferredDoc;
1072
1073         // Return early if doc is invalid or already selected
1074         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1075                 return document;
1076         }
1077
1078         // Update global variables
1079         document = doc;
1080         docElem = document.documentElement;
1081         documentIsHTML = !isXML( document );
1082
1083         // Support: IE 9-11, Edge
1084         // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1085         if ( preferredDoc !== document &&
1086                 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1087
1088                 // Support: IE 11, Edge
1089                 if ( subWindow.addEventListener ) {
1090                         subWindow.addEventListener( "unload", unloadHandler, false );
1091
1092                 // Support: IE 9 - 10 only
1093                 } else if ( subWindow.attachEvent ) {
1094                         subWindow.attachEvent( "onunload", unloadHandler );
1095                 }
1096         }
1097
1098         /* Attributes
1099         ---------------------------------------------------------------------- */
1100
1101         // Support: IE<8
1102         // Verify that getAttribute really returns attributes and not properties
1103         // (excepting IE8 booleans)
1104         support.attributes = assert(function( el ) {
1105                 el.className = "i";
1106                 return !el.getAttribute("className");
1107         });
1108
1109         /* getElement(s)By*
1110         ---------------------------------------------------------------------- */
1111
1112         // Check if getElementsByTagName("*") returns only elements
1113         support.getElementsByTagName = assert(function( el ) {
1114                 el.appendChild( document.createComment("") );
1115                 return !el.getElementsByTagName("*").length;
1116         });
1117
1118         // Support: IE<9
1119         support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1120
1121         // Support: IE<10
1122         // Check if getElementById returns elements by name
1123         // The broken getElementById methods don't pick up programmatically-set names,
1124         // so use a roundabout getElementsByName test
1125         support.getById = assert(function( el ) {
1126                 docElem.appendChild( el ).id = expando;
1127                 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1128         });
1129
1130         // ID filter and find
1131         if ( support.getById ) {
1132                 Expr.filter["ID"] = function( id ) {
1133                         var attrId = id.replace( runescape, funescape );
1134                         return function( elem ) {
1135                                 return elem.getAttribute("id") === attrId;
1136                         };
1137                 };
1138                 Expr.find["ID"] = function( id, context ) {
1139                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1140                                 var elem = context.getElementById( id );
1141                                 return elem ? [ elem ] : [];
1142                         }
1143                 };
1144         } else {
1145                 Expr.filter["ID"] =  function( id ) {
1146                         var attrId = id.replace( runescape, funescape );
1147                         return function( elem ) {
1148                                 var node = typeof elem.getAttributeNode !== "undefined" &&
1149                                         elem.getAttributeNode("id");
1150                                 return node && node.value === attrId;
1151                         };
1152                 };
1153
1154                 // Support: IE 6 - 7 only
1155                 // getElementById is not reliable as a find shortcut
1156                 Expr.find["ID"] = function( id, context ) {
1157                         if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1158                                 var node, i, elems,
1159                                         elem = context.getElementById( id );
1160
1161                                 if ( elem ) {
1162
1163                                         // Verify the id attribute
1164                                         node = elem.getAttributeNode("id");
1165                                         if ( node && node.value === id ) {
1166                                                 return [ elem ];
1167                                         }
1168
1169                                         // Fall back on getElementsByName
1170                                         elems = context.getElementsByName( id );
1171                                         i = 0;
1172                                         while ( (elem = elems[i++]) ) {
1173                                                 node = elem.getAttributeNode("id");
1174                                                 if ( node && node.value === id ) {
1175                                                         return [ elem ];
1176                                                 }
1177                                         }
1178                                 }
1179
1180                                 return [];
1181                         }
1182                 };
1183         }
1184
1185         // Tag
1186         Expr.find["TAG"] = support.getElementsByTagName ?
1187                 function( tag, context ) {
1188                         if ( typeof context.getElementsByTagName !== "undefined" ) {
1189                                 return context.getElementsByTagName( tag );
1190
1191                         // DocumentFragment nodes don't have gEBTN
1192                         } else if ( support.qsa ) {
1193                                 return context.querySelectorAll( tag );
1194                         }
1195                 } :
1196
1197                 function( tag, context ) {
1198                         var elem,
1199                                 tmp = [],
1200                                 i = 0,
1201                                 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1202                                 results = context.getElementsByTagName( tag );
1203
1204                         // Filter out possible comments
1205                         if ( tag === "*" ) {
1206                                 while ( (elem = results[i++]) ) {
1207                                         if ( elem.nodeType === 1 ) {
1208                                                 tmp.push( elem );
1209                                         }
1210                                 }
1211
1212                                 return tmp;
1213                         }
1214                         return results;
1215                 };
1216
1217         // Class
1218         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1219                 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1220                         return context.getElementsByClassName( className );
1221                 }
1222         };
1223
1224         /* QSA/matchesSelector
1225         ---------------------------------------------------------------------- */
1226
1227         // QSA and matchesSelector support
1228
1229         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1230         rbuggyMatches = [];
1231
1232         // qSa(:focus) reports false when true (Chrome 21)
1233         // We allow this because of a bug in IE8/9 that throws an error
1234         // whenever `document.activeElement` is accessed on an iframe
1235         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1236         // See https://bugs.jquery.com/ticket/13378
1237         rbuggyQSA = [];
1238
1239         if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1240                 // Build QSA regex
1241                 // Regex strategy adopted from Diego Perini
1242                 assert(function( el ) {
1243                         // Select is set to empty string on purpose
1244                         // This is to test IE's treatment of not explicitly
1245                         // setting a boolean content attribute,
1246                         // since its presence should be enough
1247                         // https://bugs.jquery.com/ticket/12359
1248                         docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1249                                 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1250                                 "<option selected=''></option></select>";
1251
1252                         // Support: IE8, Opera 11-12.16
1253                         // Nothing should be selected when empty strings follow ^= or $= or *=
1254                         // The test attribute must be unknown in Opera but "safe" for WinRT
1255                         // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1256                         if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1257                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1258                         }
1259
1260                         // Support: IE8
1261                         // Boolean attributes and "value" are not treated correctly
1262                         if ( !el.querySelectorAll("[selected]").length ) {
1263                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1264                         }
1265
1266                         // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1267                         if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1268                                 rbuggyQSA.push("~=");
1269                         }
1270
1271                         // Webkit/Opera - :checked should return selected option elements
1272                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1273                         // IE8 throws error here and will not see later tests
1274                         if ( !el.querySelectorAll(":checked").length ) {
1275                                 rbuggyQSA.push(":checked");
1276                         }
1277
1278                         // Support: Safari 8+, iOS 8+
1279                         // https://bugs.webkit.org/show_bug.cgi?id=136851
1280                         // In-page `selector#id sibling-combinator selector` fails
1281                         if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1282                                 rbuggyQSA.push(".#.+[+~]");
1283                         }
1284                 });
1285
1286                 assert(function( el ) {
1287                         el.innerHTML = "<a href='' disabled='disabled'></a>" +
1288                                 "<select disabled='disabled'><option/></select>";
1289
1290                         // Support: Windows 8 Native Apps
1291                         // The type and name attributes are restricted during .innerHTML assignment
1292                         var input = document.createElement("input");
1293                         input.setAttribute( "type", "hidden" );
1294                         el.appendChild( input ).setAttribute( "name", "D" );
1295
1296                         // Support: IE8
1297                         // Enforce case-sensitivity of name attribute
1298                         if ( el.querySelectorAll("[name=d]").length ) {
1299                                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1300                         }
1301
1302                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1303                         // IE8 throws error here and will not see later tests
1304                         if ( el.querySelectorAll(":enabled").length !== 2 ) {
1305                                 rbuggyQSA.push( ":enabled", ":disabled" );
1306                         }
1307
1308                         // Support: IE9-11+
1309                         // IE's :disabled selector does not pick up the children of disabled fieldsets
1310                         docElem.appendChild( el ).disabled = true;
1311                         if ( el.querySelectorAll(":disabled").length !== 2 ) {
1312                                 rbuggyQSA.push( ":enabled", ":disabled" );
1313                         }
1314
1315                         // Opera 10-11 does not throw on post-comma invalid pseudos
1316                         el.querySelectorAll("*,:x");
1317                         rbuggyQSA.push(",.*:");
1318                 });
1319         }
1320
1321         if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1322                 docElem.webkitMatchesSelector ||
1323                 docElem.mozMatchesSelector ||
1324                 docElem.oMatchesSelector ||
1325                 docElem.msMatchesSelector) )) ) {
1326
1327                 assert(function( el ) {
1328                         // Check to see if it's possible to do matchesSelector
1329                         // on a disconnected node (IE 9)
1330                         support.disconnectedMatch = matches.call( el, "*" );
1331
1332                         // This should fail with an exception
1333                         // Gecko does not error, returns false instead
1334                         matches.call( el, "[s!='']:x" );
1335                         rbuggyMatches.push( "!=", pseudos );
1336                 });
1337         }
1338
1339         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1340         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1341
1342         /* Contains
1343         ---------------------------------------------------------------------- */
1344         hasCompare = rnative.test( docElem.compareDocumentPosition );
1345
1346         // Element contains another
1347         // Purposefully self-exclusive
1348         // As in, an element does not contain itself
1349         contains = hasCompare || rnative.test( docElem.contains ) ?
1350                 function( a, b ) {
1351                         var adown = a.nodeType === 9 ? a.documentElement : a,
1352                                 bup = b && b.parentNode;
1353                         return a === bup || !!( bup && bup.nodeType === 1 && (
1354                                 adown.contains ?
1355                                         adown.contains( bup ) :
1356                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1357                         ));
1358                 } :
1359                 function( a, b ) {
1360                         if ( b ) {
1361                                 while ( (b = b.parentNode) ) {
1362                                         if ( b === a ) {
1363                                                 return true;
1364                                         }
1365                                 }
1366                         }
1367                         return false;
1368                 };
1369
1370         /* Sorting
1371         ---------------------------------------------------------------------- */
1372
1373         // Document order sorting
1374         sortOrder = hasCompare ?
1375         function( a, b ) {
1376
1377                 // Flag for duplicate removal
1378                 if ( a === b ) {
1379                         hasDuplicate = true;
1380                         return 0;
1381                 }
1382
1383                 // Sort on method existence if only one input has compareDocumentPosition
1384                 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1385                 if ( compare ) {
1386                         return compare;
1387                 }
1388
1389                 // Calculate position if both inputs belong to the same document
1390                 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1391                         a.compareDocumentPosition( b ) :
1392
1393                         // Otherwise we know they are disconnected
1394                         1;
1395
1396                 // Disconnected nodes
1397                 if ( compare & 1 ||
1398                         (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1399
1400                         // Choose the first element that is related to our preferred document
1401                         if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1402                                 return -1;
1403                         }
1404                         if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1405                                 return 1;
1406                         }
1407
1408                         // Maintain original order
1409                         return sortInput ?
1410                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1411                                 0;
1412                 }
1413
1414                 return compare & 4 ? -1 : 1;
1415         } :
1416         function( a, b ) {
1417                 // Exit early if the nodes are identical
1418                 if ( a === b ) {
1419                         hasDuplicate = true;
1420                         return 0;
1421                 }
1422
1423                 var cur,
1424                         i = 0,
1425                         aup = a.parentNode,
1426                         bup = b.parentNode,
1427                         ap = [ a ],
1428                         bp = [ b ];
1429
1430                 // Parentless nodes are either documents or disconnected
1431                 if ( !aup || !bup ) {
1432                         return a === document ? -1 :
1433                                 b === document ? 1 :
1434                                 aup ? -1 :
1435                                 bup ? 1 :
1436                                 sortInput ?
1437                                 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1438                                 0;
1439
1440                 // If the nodes are siblings, we can do a quick check
1441                 } else if ( aup === bup ) {
1442                         return siblingCheck( a, b );
1443                 }
1444
1445                 // Otherwise we need full lists of their ancestors for comparison
1446                 cur = a;
1447                 while ( (cur = cur.parentNode) ) {
1448                         ap.unshift( cur );
1449                 }
1450                 cur = b;
1451                 while ( (cur = cur.parentNode) ) {
1452                         bp.unshift( cur );
1453                 }
1454
1455                 // Walk down the tree looking for a discrepancy
1456                 while ( ap[i] === bp[i] ) {
1457                         i++;
1458                 }
1459
1460                 return i ?
1461                         // Do a sibling check if the nodes have a common ancestor
1462                         siblingCheck( ap[i], bp[i] ) :
1463
1464                         // Otherwise nodes in our document sort first
1465                         ap[i] === preferredDoc ? -1 :
1466                         bp[i] === preferredDoc ? 1 :
1467                         0;
1468         };
1469
1470         return document;
1471 };
1472
1473 Sizzle.matches = function( expr, elements ) {
1474         return Sizzle( expr, null, null, elements );
1475 };
1476
1477 Sizzle.matchesSelector = function( elem, expr ) {
1478         // Set document vars if needed
1479         if ( ( elem.ownerDocument || elem ) !== document ) {
1480                 setDocument( elem );
1481         }
1482
1483         // Make sure that attribute selectors are quoted
1484         expr = expr.replace( rattributeQuotes, "='$1']" );
1485
1486         if ( support.matchesSelector && documentIsHTML &&
1487                 !compilerCache[ expr + " " ] &&
1488                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1489                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1490
1491                 try {
1492                         var ret = matches.call( elem, expr );
1493
1494                         // IE 9's matchesSelector returns false on disconnected nodes
1495                         if ( ret || support.disconnectedMatch ||
1496                                         // As well, disconnected nodes are said to be in a document
1497                                         // fragment in IE 9
1498                                         elem.document && elem.document.nodeType !== 11 ) {
1499                                 return ret;
1500                         }
1501                 } catch (e) {}
1502         }
1503
1504         return Sizzle( expr, document, null, [ elem ] ).length > 0;
1505 };
1506
1507 Sizzle.contains = function( context, elem ) {
1508         // Set document vars if needed
1509         if ( ( context.ownerDocument || context ) !== document ) {
1510                 setDocument( context );
1511         }
1512         return contains( context, elem );
1513 };
1514
1515 Sizzle.attr = function( elem, name ) {
1516         // Set document vars if needed
1517         if ( ( elem.ownerDocument || elem ) !== document ) {
1518                 setDocument( elem );
1519         }
1520
1521         var fn = Expr.attrHandle[ name.toLowerCase() ],
1522                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1523                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1524                         fn( elem, name, !documentIsHTML ) :
1525                         undefined;
1526
1527         return val !== undefined ?
1528                 val :
1529                 support.attributes || !documentIsHTML ?
1530                         elem.getAttribute( name ) :
1531                         (val = elem.getAttributeNode(name)) && val.specified ?
1532                                 val.value :
1533                                 null;
1534 };
1535
1536 Sizzle.escape = function( sel ) {
1537         return (sel + "").replace( rcssescape, fcssescape );
1538 };
1539
1540 Sizzle.error = function( msg ) {
1541         throw new Error( "Syntax error, unrecognized expression: " + msg );
1542 };
1543
1544 /**
1545  * Document sorting and removing duplicates
1546  * @param {ArrayLike} results
1547  */
1548 Sizzle.uniqueSort = function( results ) {
1549         var elem,
1550                 duplicates = [],
1551                 j = 0,
1552                 i = 0;
1553
1554         // Unless we *know* we can detect duplicates, assume their presence
1555         hasDuplicate = !support.detectDuplicates;
1556         sortInput = !support.sortStable && results.slice( 0 );
1557         results.sort( sortOrder );
1558
1559         if ( hasDuplicate ) {
1560                 while ( (elem = results[i++]) ) {
1561                         if ( elem === results[ i ] ) {
1562                                 j = duplicates.push( i );
1563                         }
1564                 }
1565                 while ( j-- ) {
1566                         results.splice( duplicates[ j ], 1 );
1567                 }
1568         }
1569
1570         // Clear input after sorting to release objects
1571         // See https://github.com/jquery/sizzle/pull/225
1572         sortInput = null;
1573
1574         return results;
1575 };
1576
1577 /**
1578  * Utility function for retrieving the text value of an array of DOM nodes
1579  * @param {Array|Element} elem
1580  */
1581 getText = Sizzle.getText = function( elem ) {
1582         var node,
1583                 ret = "",
1584                 i = 0,
1585                 nodeType = elem.nodeType;
1586
1587         if ( !nodeType ) {
1588                 // If no nodeType, this is expected to be an array
1589                 while ( (node = elem[i++]) ) {
1590                         // Do not traverse comment nodes
1591                         ret += getText( node );
1592                 }
1593         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1594                 // Use textContent for elements
1595                 // innerText usage removed for consistency of new lines (jQuery #11153)
1596                 if ( typeof elem.textContent === "string" ) {
1597                         return elem.textContent;
1598                 } else {
1599                         // Traverse its children
1600                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1601                                 ret += getText( elem );
1602                         }
1603                 }
1604         } else if ( nodeType === 3 || nodeType === 4 ) {
1605                 return elem.nodeValue;
1606         }
1607         // Do not include comment or processing instruction nodes
1608
1609         return ret;
1610 };
1611
1612 Expr = Sizzle.selectors = {
1613
1614         // Can be adjusted by the user
1615         cacheLength: 50,
1616
1617         createPseudo: markFunction,
1618
1619         match: matchExpr,
1620
1621         attrHandle: {},
1622
1623         find: {},
1624
1625         relative: {
1626                 ">": { dir: "parentNode", first: true },
1627                 " ": { dir: "parentNode" },
1628                 "+": { dir: "previousSibling", first: true },
1629                 "~": { dir: "previousSibling" }
1630         },
1631
1632         preFilter: {
1633                 "ATTR": function( match ) {
1634                         match[1] = match[1].replace( runescape, funescape );
1635
1636                         // Move the given value to match[3] whether quoted or unquoted
1637                         match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1638
1639                         if ( match[2] === "~=" ) {
1640                                 match[3] = " " + match[3] + " ";
1641                         }
1642
1643                         return match.slice( 0, 4 );
1644                 },
1645
1646                 "CHILD": function( match ) {
1647                         /* matches from matchExpr["CHILD"]
1648                                 1 type (only|nth|...)
1649                                 2 what (child|of-type)
1650                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1651                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1652                                 5 sign of xn-component
1653                                 6 x of xn-component
1654                                 7 sign of y-component
1655                                 8 y of y-component
1656                         */
1657                         match[1] = match[1].toLowerCase();
1658
1659                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1660                                 // nth-* requires argument
1661                                 if ( !match[3] ) {
1662                                         Sizzle.error( match[0] );
1663                                 }
1664
1665                                 // numeric x and y parameters for Expr.filter.CHILD
1666                                 // remember that false/true cast respectively to 0/1
1667                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1668                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1669
1670                         // other types prohibit arguments
1671                         } else if ( match[3] ) {
1672                                 Sizzle.error( match[0] );
1673                         }
1674
1675                         return match;
1676                 },
1677
1678                 "PSEUDO": function( match ) {
1679                         var excess,
1680                                 unquoted = !match[6] && match[2];
1681
1682                         if ( matchExpr["CHILD"].test( match[0] ) ) {
1683                                 return null;
1684                         }
1685
1686                         // Accept quoted arguments as-is
1687                         if ( match[3] ) {
1688                                 match[2] = match[4] || match[5] || "";
1689
1690                         // Strip excess characters from unquoted arguments
1691                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1692                                 // Get excess from tokenize (recursively)
1693                                 (excess = tokenize( unquoted, true )) &&
1694                                 // advance to the next closing parenthesis
1695                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1696
1697                                 // excess is a negative index
1698                                 match[0] = match[0].slice( 0, excess );
1699                                 match[2] = unquoted.slice( 0, excess );
1700                         }
1701
1702                         // Return only captures needed by the pseudo filter method (type and argument)
1703                         return match.slice( 0, 3 );
1704                 }
1705         },
1706
1707         filter: {
1708
1709                 "TAG": function( nodeNameSelector ) {
1710                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1711                         return nodeNameSelector === "*" ?
1712                                 function() { return true; } :
1713                                 function( elem ) {
1714                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1715                                 };
1716                 },
1717
1718                 "CLASS": function( className ) {
1719                         var pattern = classCache[ className + " " ];
1720
1721                         return pattern ||
1722                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1723                                 classCache( className, function( elem ) {
1724                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1725                                 });
1726                 },
1727
1728                 "ATTR": function( name, operator, check ) {
1729                         return function( elem ) {
1730                                 var result = Sizzle.attr( elem, name );
1731
1732                                 if ( result == null ) {
1733                                         return operator === "!=";
1734                                 }
1735                                 if ( !operator ) {
1736                                         return true;
1737                                 }
1738
1739                                 result += "";
1740
1741                                 return operator === "=" ? result === check :
1742                                         operator === "!=" ? result !== check :
1743                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
1744                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
1745                                         operator === "$=" ? check && result.slice( -check.length ) === check :
1746                                         operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1747                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1748                                         false;
1749                         };
1750                 },
1751
1752                 "CHILD": function( type, what, argument, first, last ) {
1753                         var simple = type.slice( 0, 3 ) !== "nth",
1754                                 forward = type.slice( -4 ) !== "last",
1755                                 ofType = what === "of-type";
1756
1757                         return first === 1 && last === 0 ?
1758
1759                                 // Shortcut for :nth-*(n)
1760                                 function( elem ) {
1761                                         return !!elem.parentNode;
1762                                 } :
1763
1764                                 function( elem, context, xml ) {
1765                                         var cache, uniqueCache, outerCache, node, nodeIndex, start,
1766                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
1767                                                 parent = elem.parentNode,
1768                                                 name = ofType && elem.nodeName.toLowerCase(),
1769                                                 useCache = !xml && !ofType,
1770                                                 diff = false;
1771
1772                                         if ( parent ) {
1773
1774                                                 // :(first|last|only)-(child|of-type)
1775                                                 if ( simple ) {
1776                                                         while ( dir ) {
1777                                                                 node = elem;
1778                                                                 while ( (node = node[ dir ]) ) {
1779                                                                         if ( ofType ?
1780                                                                                 node.nodeName.toLowerCase() === name :
1781                                                                                 node.nodeType === 1 ) {
1782
1783                                                                                 return false;
1784                                                                         }
1785                                                                 }
1786                                                                 // Reverse direction for :only-* (if we haven't yet done so)
1787                                                                 start = dir = type === "only" && !start && "nextSibling";
1788                                                         }
1789                                                         return true;
1790                                                 }
1791
1792                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
1793
1794                                                 // non-xml :nth-child(...) stores cache data on `parent`
1795                                                 if ( forward && useCache ) {
1796
1797                                                         // Seek `elem` from a previously-cached index
1798
1799                                                         // ...in a gzip-friendly way
1800                                                         node = parent;
1801                                                         outerCache = node[ expando ] || (node[ expando ] = {});
1802
1803                                                         // Support: IE <9 only
1804                                                         // Defend against cloned attroperties (jQuery gh-1709)
1805                                                         uniqueCache = outerCache[ node.uniqueID ] ||
1806                                                                 (outerCache[ node.uniqueID ] = {});
1807
1808                                                         cache = uniqueCache[ type ] || [];
1809                                                         nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1810                                                         diff = nodeIndex && cache[ 2 ];
1811                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
1812
1813                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1814
1815                                                                 // Fallback to seeking `elem` from the start
1816                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1817
1818                                                                 // When found, cache indexes on `parent` and break
1819                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1820                                                                         uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1821                                                                         break;
1822                                                                 }
1823                                                         }
1824
1825                                                 } else {
1826                                                         // Use previously-cached element index if available
1827                                                         if ( useCache ) {
1828                                                                 // ...in a gzip-friendly way
1829                                                                 node = elem;
1830                                                                 outerCache = node[ expando ] || (node[ expando ] = {});
1831
1832                                                                 // Support: IE <9 only
1833                                                                 // Defend against cloned attroperties (jQuery gh-1709)
1834                                                                 uniqueCache = outerCache[ node.uniqueID ] ||
1835                                                                         (outerCache[ node.uniqueID ] = {});
1836
1837                                                                 cache = uniqueCache[ type ] || [];
1838                                                                 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1839                                                                 diff = nodeIndex;
1840                                                         }
1841
1842                                                         // xml :nth-child(...)
1843                                                         // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1844                                                         if ( diff === false ) {
1845                                                                 // Use the same loop as above to seek `elem` from the start
1846                                                                 while ( (node = ++nodeIndex && node && node[ dir ] ||
1847                                                                         (diff = nodeIndex = 0) || start.pop()) ) {
1848
1849                                                                         if ( ( ofType ?
1850                                                                                 node.nodeName.toLowerCase() === name :
1851                                                                                 node.nodeType === 1 ) &&
1852                                                                                 ++diff ) {
1853
1854                                                                                 // Cache the index of each encountered element
1855                                                                                 if ( useCache ) {
1856                                                                                         outerCache = node[ expando ] || (node[ expando ] = {});
1857
1858                                                                                         // Support: IE <9 only
1859                                                                                         // Defend against cloned attroperties (jQuery gh-1709)
1860                                                                                         uniqueCache = outerCache[ node.uniqueID ] ||
1861                                                                                                 (outerCache[ node.uniqueID ] = {});
1862
1863                                                                                         uniqueCache[ type ] = [ dirruns, diff ];
1864                                                                                 }
1865
1866                                                                                 if ( node === elem ) {
1867                                                                                         break;
1868                                                                                 }
1869                                                                         }
1870                                                                 }
1871                                                         }
1872                                                 }
1873
1874                                                 // Incorporate the offset, then check against cycle size
1875                                                 diff -= last;
1876                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1877                                         }
1878                                 };
1879                 },
1880
1881                 "PSEUDO": function( pseudo, argument ) {
1882                         // pseudo-class names are case-insensitive
1883                         // http://www.w3.org/TR/selectors/#pseudo-classes
1884                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1885                         // Remember that setFilters inherits from pseudos
1886                         var args,
1887                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1888                                         Sizzle.error( "unsupported pseudo: " + pseudo );
1889
1890                         // The user may use createPseudo to indicate that
1891                         // arguments are needed to create the filter function
1892                         // just as Sizzle does
1893                         if ( fn[ expando ] ) {
1894                                 return fn( argument );
1895                         }
1896
1897                         // But maintain support for old signatures
1898                         if ( fn.length > 1 ) {
1899                                 args = [ pseudo, pseudo, "", argument ];
1900                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1901                                         markFunction(function( seed, matches ) {
1902                                                 var idx,
1903                                                         matched = fn( seed, argument ),
1904                                                         i = matched.length;
1905                                                 while ( i-- ) {
1906                                                         idx = indexOf( seed, matched[i] );
1907                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
1908                                                 }
1909                                         }) :
1910                                         function( elem ) {
1911                                                 return fn( elem, 0, args );
1912                                         };
1913                         }
1914
1915                         return fn;
1916                 }
1917         },
1918
1919         pseudos: {
1920                 // Potentially complex pseudos
1921                 "not": markFunction(function( selector ) {
1922                         // Trim the selector passed to compile
1923                         // to avoid treating leading and trailing
1924                         // spaces as combinators
1925                         var input = [],
1926                                 results = [],
1927                                 matcher = compile( selector.replace( rtrim, "$1" ) );
1928
1929                         return matcher[ expando ] ?
1930                                 markFunction(function( seed, matches, context, xml ) {
1931                                         var elem,
1932                                                 unmatched = matcher( seed, null, xml, [] ),
1933                                                 i = seed.length;
1934
1935                                         // Match elements unmatched by `matcher`
1936                                         while ( i-- ) {
1937                                                 if ( (elem = unmatched[i]) ) {
1938                                                         seed[i] = !(matches[i] = elem);
1939                                                 }
1940                                         }
1941                                 }) :
1942                                 function( elem, context, xml ) {
1943                                         input[0] = elem;
1944                                         matcher( input, null, xml, results );
1945                                         // Don't keep the element (issue #299)
1946                                         input[0] = null;
1947                                         return !results.pop();
1948                                 };
1949                 }),
1950
1951                 "has": markFunction(function( selector ) {
1952                         return function( elem ) {
1953                                 return Sizzle( selector, elem ).length > 0;
1954                         };
1955                 }),
1956
1957                 "contains": markFunction(function( text ) {
1958                         text = text.replace( runescape, funescape );
1959                         return function( elem ) {
1960                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1961                         };
1962                 }),
1963
1964                 // "Whether an element is represented by a :lang() selector
1965                 // is based solely on the element's language value
1966                 // being equal to the identifier C,
1967                 // or beginning with the identifier C immediately followed by "-".
1968                 // The matching of C against the element's language value is performed case-insensitively.
1969                 // The identifier C does not have to be a valid language name."
1970                 // http://www.w3.org/TR/selectors/#lang-pseudo
1971                 "lang": markFunction( function( lang ) {
1972                         // lang value must be a valid identifier
1973                         if ( !ridentifier.test(lang || "") ) {
1974                                 Sizzle.error( "unsupported lang: " + lang );
1975                         }
1976                         lang = lang.replace( runescape, funescape ).toLowerCase();
1977                         return function( elem ) {
1978                                 var elemLang;
1979                                 do {
1980                                         if ( (elemLang = documentIsHTML ?
1981                                                 elem.lang :
1982                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1983
1984                                                 elemLang = elemLang.toLowerCase();
1985                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1986                                         }
1987                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1988                                 return false;
1989                         };
1990                 }),
1991
1992                 // Miscellaneous
1993                 "target": function( elem ) {
1994                         var hash = window.location && window.location.hash;
1995                         return hash && hash.slice( 1 ) === elem.id;
1996                 },
1997
1998                 "root": function( elem ) {
1999                         return elem === docElem;
2000                 },
2001
2002                 "focus": function( elem ) {
2003                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2004                 },
2005
2006                 // Boolean properties
2007                 "enabled": createDisabledPseudo( false ),
2008                 "disabled": createDisabledPseudo( true ),
2009
2010                 "checked": function( elem ) {
2011                         // In CSS3, :checked should return both checked and selected elements
2012                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2013                         var nodeName = elem.nodeName.toLowerCase();
2014                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2015                 },
2016
2017                 "selected": function( elem ) {
2018                         // Accessing this property makes selected-by-default
2019                         // options in Safari work properly
2020                         if ( elem.parentNode ) {
2021                                 elem.parentNode.selectedIndex;
2022                         }
2023
2024                         return elem.selected === true;
2025                 },
2026
2027                 // Contents
2028                 "empty": function( elem ) {
2029                         // http://www.w3.org/TR/selectors/#empty-pseudo
2030                         // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2031                         //   but not by others (comment: 8; processing instruction: 7; etc.)
2032                         // nodeType < 6 works because attributes (2) do not appear as children
2033                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2034                                 if ( elem.nodeType < 6 ) {
2035                                         return false;
2036                                 }
2037                         }
2038                         return true;
2039                 },
2040
2041                 "parent": function( elem ) {
2042                         return !Expr.pseudos["empty"]( elem );
2043                 },
2044
2045                 // Element/input types
2046                 "header": function( elem ) {
2047                         return rheader.test( elem.nodeName );
2048                 },
2049
2050                 "input": function( elem ) {
2051                         return rinputs.test( elem.nodeName );
2052                 },
2053
2054                 "button": function( elem ) {
2055                         var name = elem.nodeName.toLowerCase();
2056                         return name === "input" && elem.type === "button" || name === "button";
2057                 },
2058
2059                 "text": function( elem ) {
2060                         var attr;
2061                         return elem.nodeName.toLowerCase() === "input" &&
2062                                 elem.type === "text" &&
2063
2064                                 // Support: IE<8
2065                                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2066                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2067                 },
2068
2069                 // Position-in-collection
2070                 "first": createPositionalPseudo(function() {
2071                         return [ 0 ];
2072                 }),
2073
2074                 "last": createPositionalPseudo(function( matchIndexes, length ) {
2075                         return [ length - 1 ];
2076                 }),
2077
2078                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2079                         return [ argument < 0 ? argument + length : argument ];
2080                 }),
2081
2082                 "even": createPositionalPseudo(function( matchIndexes, length ) {
2083                         var i = 0;
2084                         for ( ; i < length; i += 2 ) {
2085                                 matchIndexes.push( i );
2086                         }
2087                         return matchIndexes;
2088                 }),
2089
2090                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2091                         var i = 1;
2092                         for ( ; i < length; i += 2 ) {
2093                                 matchIndexes.push( i );
2094                         }
2095                         return matchIndexes;
2096                 }),
2097
2098                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2099                         var i = argument < 0 ? argument + length : argument;
2100                         for ( ; --i >= 0; ) {
2101                                 matchIndexes.push( i );
2102                         }
2103                         return matchIndexes;
2104                 }),
2105
2106                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2107                         var i = argument < 0 ? argument + length : argument;
2108                         for ( ; ++i < length; ) {
2109                                 matchIndexes.push( i );
2110                         }
2111                         return matchIndexes;
2112                 })
2113         }
2114 };
2115
2116 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2117
2118 // Add button/input type pseudos
2119 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2120         Expr.pseudos[ i ] = createInputPseudo( i );
2121 }
2122 for ( i in { submit: true, reset: true } ) {
2123         Expr.pseudos[ i ] = createButtonPseudo( i );
2124 }
2125
2126 // Easy API for creating new setFilters
2127 function setFilters() {}
2128 setFilters.prototype = Expr.filters = Expr.pseudos;
2129 Expr.setFilters = new setFilters();
2130
2131 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2132         var matched, match, tokens, type,
2133                 soFar, groups, preFilters,
2134                 cached = tokenCache[ selector + " " ];
2135
2136         if ( cached ) {
2137                 return parseOnly ? 0 : cached.slice( 0 );
2138         }
2139
2140         soFar = selector;
2141         groups = [];
2142         preFilters = Expr.preFilter;
2143
2144         while ( soFar ) {
2145
2146                 // Comma and first run
2147                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2148                         if ( match ) {
2149                                 // Don't consume trailing commas as valid
2150                                 soFar = soFar.slice( match[0].length ) || soFar;
2151                         }
2152                         groups.push( (tokens = []) );
2153                 }
2154
2155                 matched = false;
2156
2157                 // Combinators
2158                 if ( (match = rcombinators.exec( soFar )) ) {
2159                         matched = match.shift();
2160                         tokens.push({
2161                                 value: matched,
2162                                 // Cast descendant combinators to space
2163                                 type: match[0].replace( rtrim, " " )
2164                         });
2165                         soFar = soFar.slice( matched.length );
2166                 }
2167
2168                 // Filters
2169                 for ( type in Expr.filter ) {
2170                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2171                                 (match = preFilters[ type ]( match ))) ) {
2172                                 matched = match.shift();
2173                                 tokens.push({
2174                                         value: matched,
2175                                         type: type,
2176                                         matches: match
2177                                 });
2178                                 soFar = soFar.slice( matched.length );
2179                         }
2180                 }
2181
2182                 if ( !matched ) {
2183                         break;
2184                 }
2185         }
2186
2187         // Return the length of the invalid excess
2188         // if we're just parsing
2189         // Otherwise, throw an error or return tokens
2190         return parseOnly ?
2191                 soFar.length :
2192                 soFar ?
2193                         Sizzle.error( selector ) :
2194                         // Cache the tokens
2195                         tokenCache( selector, groups ).slice( 0 );
2196 };
2197
2198 function toSelector( tokens ) {
2199         var i = 0,
2200                 len = tokens.length,
2201                 selector = "";
2202         for ( ; i < len; i++ ) {
2203                 selector += tokens[i].value;
2204         }
2205         return selector;
2206 }
2207
2208 function addCombinator( matcher, combinator, base ) {
2209         var dir = combinator.dir,
2210                 skip = combinator.next,
2211                 key = skip || dir,
2212                 checkNonElements = base && key === "parentNode",
2213                 doneName = done++;
2214
2215         return combinator.first ?
2216                 // Check against closest ancestor/preceding element
2217                 function( elem, context, xml ) {
2218                         while ( (elem = elem[ dir ]) ) {
2219                                 if ( elem.nodeType === 1 || checkNonElements ) {
2220                                         return matcher( elem, context, xml );
2221                                 }
2222                         }
2223                         return false;
2224                 } :
2225
2226                 // Check against all ancestor/preceding elements
2227                 function( elem, context, xml ) {
2228                         var oldCache, uniqueCache, outerCache,
2229                                 newCache = [ dirruns, doneName ];
2230
2231                         // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2232                         if ( xml ) {
2233                                 while ( (elem = elem[ dir ]) ) {
2234                                         if ( elem.nodeType === 1 || checkNonElements ) {
2235                                                 if ( matcher( elem, context, xml ) ) {
2236                                                         return true;
2237                                                 }
2238                                         }
2239                                 }
2240                         } else {
2241                                 while ( (elem = elem[ dir ]) ) {
2242                                         if ( elem.nodeType === 1 || checkNonElements ) {
2243                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2244
2245                                                 // Support: IE <9 only
2246                                                 // Defend against cloned attroperties (jQuery gh-1709)
2247                                                 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2248
2249                                                 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2250                                                         elem = elem[ dir ] || elem;
2251                                                 } else if ( (oldCache = uniqueCache[ key ]) &&
2252                                                         oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2253
2254                                                         // Assign to newCache so results back-propagate to previous elements
2255                                                         return (newCache[ 2 ] = oldCache[ 2 ]);
2256                                                 } else {
2257                                                         // Reuse newcache so results back-propagate to previous elements
2258                                                         uniqueCache[ key ] = newCache;
2259
2260                                                         // A match means we're done; a fail means we have to keep checking
2261                                                         if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2262                                                                 return true;
2263                                                         }
2264                                                 }
2265                                         }
2266                                 }
2267                         }
2268                         return false;
2269                 };
2270 }
2271
2272 function elementMatcher( matchers ) {
2273         return matchers.length > 1 ?
2274                 function( elem, context, xml ) {
2275                         var i = matchers.length;
2276                         while ( i-- ) {
2277                                 if ( !matchers[i]( elem, context, xml ) ) {
2278                                         return false;
2279                                 }
2280                         }
2281                         return true;
2282                 } :
2283                 matchers[0];
2284 }
2285
2286 function multipleContexts( selector, contexts, results ) {
2287         var i = 0,
2288                 len = contexts.length;
2289         for ( ; i < len; i++ ) {
2290                 Sizzle( selector, contexts[i], results );
2291         }
2292         return results;
2293 }
2294
2295 function condense( unmatched, map, filter, context, xml ) {
2296         var elem,
2297                 newUnmatched = [],
2298                 i = 0,
2299                 len = unmatched.length,
2300                 mapped = map != null;
2301
2302         for ( ; i < len; i++ ) {
2303                 if ( (elem = unmatched[i]) ) {
2304                         if ( !filter || filter( elem, context, xml ) ) {
2305                                 newUnmatched.push( elem );
2306                                 if ( mapped ) {
2307                                         map.push( i );
2308                                 }
2309                         }
2310                 }
2311         }
2312
2313         return newUnmatched;
2314 }
2315
2316 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2317         if ( postFilter && !postFilter[ expando ] ) {
2318                 postFilter = setMatcher( postFilter );
2319         }
2320         if ( postFinder && !postFinder[ expando ] ) {
2321                 postFinder = setMatcher( postFinder, postSelector );
2322         }
2323         return markFunction(function( seed, results, context, xml ) {
2324                 var temp, i, elem,
2325                         preMap = [],
2326                         postMap = [],
2327                         preexisting = results.length,
2328
2329                         // Get initial elements from seed or context
2330                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2331
2332                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2333                         matcherIn = preFilter && ( seed || !selector ) ?
2334                                 condense( elems, preMap, preFilter, context, xml ) :
2335                                 elems,
2336
2337                         matcherOut = matcher ?
2338                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2339                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2340
2341                                         // ...intermediate processing is necessary
2342                                         [] :
2343
2344                                         // ...otherwise use results directly
2345                                         results :
2346                                 matcherIn;
2347
2348                 // Find primary matches
2349                 if ( matcher ) {
2350                         matcher( matcherIn, matcherOut, context, xml );
2351                 }
2352
2353                 // Apply postFilter
2354                 if ( postFilter ) {
2355                         temp = condense( matcherOut, postMap );
2356                         postFilter( temp, [], context, xml );
2357
2358                         // Un-match failing elements by moving them back to matcherIn
2359                         i = temp.length;
2360                         while ( i-- ) {
2361                                 if ( (elem = temp[i]) ) {
2362                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2363                                 }
2364                         }
2365                 }
2366
2367                 if ( seed ) {
2368                         if ( postFinder || preFilter ) {
2369                                 if ( postFinder ) {
2370                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2371                                         temp = [];
2372                                         i = matcherOut.length;
2373                                         while ( i-- ) {
2374                                                 if ( (elem = matcherOut[i]) ) {
2375                                                         // Restore matcherIn since elem is not yet a final match
2376                                                         temp.push( (matcherIn[i] = elem) );
2377                                                 }
2378                                         }
2379                                         postFinder( null, (matcherOut = []), temp, xml );
2380                                 }
2381
2382                                 // Move matched elements from seed to results to keep them synchronized
2383                                 i = matcherOut.length;
2384                                 while ( i-- ) {
2385                                         if ( (elem = matcherOut[i]) &&
2386                                                 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2387
2388                                                 seed[temp] = !(results[temp] = elem);
2389                                         }
2390                                 }
2391                         }
2392
2393                 // Add elements to results, through postFinder if defined
2394                 } else {
2395                         matcherOut = condense(
2396                                 matcherOut === results ?
2397                                         matcherOut.splice( preexisting, matcherOut.length ) :
2398                                         matcherOut
2399                         );
2400                         if ( postFinder ) {
2401                                 postFinder( null, results, matcherOut, xml );
2402                         } else {
2403                                 push.apply( results, matcherOut );
2404                         }
2405                 }
2406         });
2407 }
2408
2409 function matcherFromTokens( tokens ) {
2410         var checkContext, matcher, j,
2411                 len = tokens.length,
2412                 leadingRelative = Expr.relative[ tokens[0].type ],
2413                 implicitRelative = leadingRelative || Expr.relative[" "],
2414                 i = leadingRelative ? 1 : 0,
2415
2416                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2417                 matchContext = addCombinator( function( elem ) {
2418                         return elem === checkContext;
2419                 }, implicitRelative, true ),
2420                 matchAnyContext = addCombinator( function( elem ) {
2421                         return indexOf( checkContext, elem ) > -1;
2422                 }, implicitRelative, true ),
2423                 matchers = [ function( elem, context, xml ) {
2424                         var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2425                                 (checkContext = context).nodeType ?
2426                                         matchContext( elem, context, xml ) :
2427                                         matchAnyContext( elem, context, xml ) );
2428                         // Avoid hanging onto element (issue #299)
2429                         checkContext = null;
2430                         return ret;
2431                 } ];
2432
2433         for ( ; i < len; i++ ) {
2434                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2435                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2436                 } else {
2437                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2438
2439                         // Return special upon seeing a positional matcher
2440                         if ( matcher[ expando ] ) {
2441                                 // Find the next relative operator (if any) for proper handling
2442                                 j = ++i;
2443                                 for ( ; j < len; j++ ) {
2444                                         if ( Expr.relative[ tokens[j].type ] ) {
2445                                                 break;
2446                                         }
2447                                 }
2448                                 return setMatcher(
2449                                         i > 1 && elementMatcher( matchers ),
2450                                         i > 1 && toSelector(
2451                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2452                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2453                                         ).replace( rtrim, "$1" ),
2454                                         matcher,
2455                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2456                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2457                                         j < len && toSelector( tokens )
2458                                 );
2459                         }
2460                         matchers.push( matcher );
2461                 }
2462         }
2463
2464         return elementMatcher( matchers );
2465 }
2466
2467 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2468         var bySet = setMatchers.length > 0,
2469                 byElement = elementMatchers.length > 0,
2470                 superMatcher = function( seed, context, xml, results, outermost ) {
2471                         var elem, j, matcher,
2472                                 matchedCount = 0,
2473                                 i = "0",
2474                                 unmatched = seed && [],
2475                                 setMatched = [],
2476                                 contextBackup = outermostContext,
2477                                 // We must always have either seed elements or outermost context
2478                                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2479                                 // Use integer dirruns iff this is the outermost matcher
2480                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2481                                 len = elems.length;
2482
2483                         if ( outermost ) {
2484                                 outermostContext = context === document || context || outermost;
2485                         }
2486
2487                         // Add elements passing elementMatchers directly to results
2488                         // Support: IE<9, Safari
2489                         // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2490                         for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2491                                 if ( byElement && elem ) {
2492                                         j = 0;
2493                                         if ( !context && elem.ownerDocument !== document ) {
2494                                                 setDocument( elem );
2495                                                 xml = !documentIsHTML;
2496                                         }
2497                                         while ( (matcher = elementMatchers[j++]) ) {
2498                                                 if ( matcher( elem, context || document, xml) ) {
2499                                                         results.push( elem );
2500                                                         break;
2501                                                 }
2502                                         }
2503                                         if ( outermost ) {
2504                                                 dirruns = dirrunsUnique;
2505                                         }
2506                                 }
2507
2508                                 // Track unmatched elements for set filters
2509                                 if ( bySet ) {
2510                                         // They will have gone through all possible matchers
2511                                         if ( (elem = !matcher && elem) ) {
2512                                                 matchedCount--;
2513                                         }
2514
2515                                         // Lengthen the array for every element, matched or not
2516                                         if ( seed ) {
2517                                                 unmatched.push( elem );
2518                                         }
2519                                 }
2520                         }
2521
2522                         // `i` is now the count of elements visited above, and adding it to `matchedCount`
2523                         // makes the latter nonnegative.
2524                         matchedCount += i;
2525
2526                         // Apply set filters to unmatched elements
2527                         // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2528                         // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2529                         // no element matchers and no seed.
2530                         // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2531                         // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2532                         // numerically zero.
2533                         if ( bySet && i !== matchedCount ) {
2534                                 j = 0;
2535                                 while ( (matcher = setMatchers[j++]) ) {
2536                                         matcher( unmatched, setMatched, context, xml );
2537                                 }
2538
2539                                 if ( seed ) {
2540                                         // Reintegrate element matches to eliminate the need for sorting
2541                                         if ( matchedCount > 0 ) {
2542                                                 while ( i-- ) {
2543                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2544                                                                 setMatched[i] = pop.call( results );
2545                                                         }
2546                                                 }
2547                                         }
2548
2549                                         // Discard index placeholder values to get only actual matches
2550                                         setMatched = condense( setMatched );
2551                                 }
2552
2553                                 // Add matches to results
2554                                 push.apply( results, setMatched );
2555
2556                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2557                                 if ( outermost && !seed && setMatched.length > 0 &&
2558                                         ( matchedCount + setMatchers.length ) > 1 ) {
2559
2560                                         Sizzle.uniqueSort( results );
2561                                 }
2562                         }
2563
2564                         // Override manipulation of globals by nested matchers
2565                         if ( outermost ) {
2566                                 dirruns = dirrunsUnique;
2567                                 outermostContext = contextBackup;
2568                         }
2569
2570                         return unmatched;
2571                 };
2572
2573         return bySet ?
2574                 markFunction( superMatcher ) :
2575                 superMatcher;
2576 }
2577
2578 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2579         var i,
2580                 setMatchers = [],
2581                 elementMatchers = [],
2582                 cached = compilerCache[ selector + " " ];
2583
2584         if ( !cached ) {
2585                 // Generate a function of recursive functions that can be used to check each element
2586                 if ( !match ) {
2587                         match = tokenize( selector );
2588                 }
2589                 i = match.length;
2590                 while ( i-- ) {
2591                         cached = matcherFromTokens( match[i] );
2592                         if ( cached[ expando ] ) {
2593                                 setMatchers.push( cached );
2594                         } else {
2595                                 elementMatchers.push( cached );
2596                         }
2597                 }
2598
2599                 // Cache the compiled function
2600                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2601
2602                 // Save selector and tokenization
2603                 cached.selector = selector;
2604         }
2605         return cached;
2606 };
2607
2608 /**
2609  * A low-level selection function that works with Sizzle's compiled
2610  *  selector functions
2611  * @param {String|Function} selector A selector or a pre-compiled
2612  *  selector function built with Sizzle.compile
2613  * @param {Element} context
2614  * @param {Array} [results]
2615  * @param {Array} [seed] A set of elements to match against
2616  */
2617 select = Sizzle.select = function( selector, context, results, seed ) {
2618         var i, tokens, token, type, find,
2619                 compiled = typeof selector === "function" && selector,
2620                 match = !seed && tokenize( (selector = compiled.selector || selector) );
2621
2622         results = results || [];
2623
2624         // Try to minimize operations if there is only one selector in the list and no seed
2625         // (the latter of which guarantees us context)
2626         if ( match.length === 1 ) {
2627
2628                 // Reduce context if the leading compound selector is an ID
2629                 tokens = match[0] = match[0].slice( 0 );
2630                 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2631                                 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2632
2633                         context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2634                         if ( !context ) {
2635                                 return results;
2636
2637                         // Precompiled matchers will still verify ancestry, so step up a level
2638                         } else if ( compiled ) {
2639                                 context = context.parentNode;
2640                         }
2641
2642                         selector = selector.slice( tokens.shift().value.length );
2643                 }
2644
2645                 // Fetch a seed set for right-to-left matching
2646                 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2647                 while ( i-- ) {
2648                         token = tokens[i];
2649
2650                         // Abort if we hit a combinator
2651                         if ( Expr.relative[ (type = token.type) ] ) {
2652                                 break;
2653                         }
2654                         if ( (find = Expr.find[ type ]) ) {
2655                                 // Search, expanding context for leading sibling combinators
2656                                 if ( (seed = find(
2657                                         token.matches[0].replace( runescape, funescape ),
2658                                         rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2659                                 )) ) {
2660
2661                                         // If seed is empty or no tokens remain, we can return early
2662                                         tokens.splice( i, 1 );
2663                                         selector = seed.length && toSelector( tokens );
2664                                         if ( !selector ) {
2665                                                 push.apply( results, seed );
2666                                                 return results;
2667                                         }
2668
2669                                         break;
2670                                 }
2671                         }
2672                 }
2673         }
2674
2675         // Compile and execute a filtering function if one is not provided
2676         // Provide `match` to avoid retokenization if we modified the selector above
2677         ( compiled || compile( selector, match ) )(
2678                 seed,
2679                 context,
2680                 !documentIsHTML,
2681                 results,
2682                 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2683         );
2684         return results;
2685 };
2686
2687 // One-time assignments
2688
2689 // Sort stability
2690 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2691
2692 // Support: Chrome 14-35+
2693 // Always assume duplicates if they aren't passed to the comparison function
2694 support.detectDuplicates = !!hasDuplicate;
2695
2696 // Initialize against the default document
2697 setDocument();
2698
2699 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2700 // Detached nodes confoundingly follow *each other*
2701 support.sortDetached = assert(function( el ) {
2702         // Should return 1, but returns 4 (following)
2703         return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2704 });
2705
2706 // Support: IE<8
2707 // Prevent attribute/property "interpolation"
2708 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2709 if ( !assert(function( el ) {
2710         el.innerHTML = "<a href='#'></a>";
2711         return el.firstChild.getAttribute("href") === "#" ;
2712 }) ) {
2713         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2714                 if ( !isXML ) {
2715                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2716                 }
2717         });
2718 }
2719
2720 // Support: IE<9
2721 // Use defaultValue in place of getAttribute("value")
2722 if ( !support.attributes || !assert(function( el ) {
2723         el.innerHTML = "<input/>";
2724         el.firstChild.setAttribute( "value", "" );
2725         return el.firstChild.getAttribute( "value" ) === "";
2726 }) ) {
2727         addHandle( "value", function( elem, name, isXML ) {
2728                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2729                         return elem.defaultValue;
2730                 }
2731         });
2732 }
2733
2734 // Support: IE<9
2735 // Use getAttributeNode to fetch booleans when getAttribute lies
2736 if ( !assert(function( el ) {
2737         return el.getAttribute("disabled") == null;
2738 }) ) {
2739         addHandle( booleans, function( elem, name, isXML ) {
2740                 var val;
2741                 if ( !isXML ) {
2742                         return elem[ name ] === true ? name.toLowerCase() :
2743                                         (val = elem.getAttributeNode( name )) && val.specified ?
2744                                         val.value :
2745                                 null;
2746                 }
2747         });
2748 }
2749
2750 return Sizzle;
2751
2752 })( window );
2753
2754
2755
2756 jQuery.find = Sizzle;
2757 jQuery.expr = Sizzle.selectors;
2758
2759 // Deprecated
2760 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2761 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2762 jQuery.text = Sizzle.getText;
2763 jQuery.isXMLDoc = Sizzle.isXML;
2764 jQuery.contains = Sizzle.contains;
2765 jQuery.escapeSelector = Sizzle.escape;
2766
2767
2768
2769
2770 var dir = function( elem, dir, until ) {
2771         var matched = [],
2772                 truncate = until !== undefined;
2773
2774         while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2775                 if ( elem.nodeType === 1 ) {
2776                         if ( truncate && jQuery( elem ).is( until ) ) {
2777                                 break;
2778                         }
2779                         matched.push( elem );
2780                 }
2781         }
2782         return matched;
2783 };
2784
2785
2786 var siblings = function( n, elem ) {
2787         var matched = [];
2788
2789         for ( ; n; n = n.nextSibling ) {
2790                 if ( n.nodeType === 1 && n !== elem ) {
2791                         matched.push( n );
2792                 }
2793         }
2794
2795         return matched;
2796 };
2797
2798
2799 var rneedsContext = jQuery.expr.match.needsContext;
2800
2801
2802
2803 function nodeName( elem, name ) {
2804
2805   return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2806
2807 };
2808 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2809
2810
2811
2812 // Implement the identical functionality for filter and not
2813 function winnow( elements, qualifier, not ) {
2814         if ( isFunction( qualifier ) ) {
2815                 return jQuery.grep( elements, function( elem, i ) {
2816                         return !!qualifier.call( elem, i, elem ) !== not;
2817                 } );
2818         }
2819
2820         // Single element
2821         if ( qualifier.nodeType ) {
2822                 return jQuery.grep( elements, function( elem ) {
2823                         return ( elem === qualifier ) !== not;
2824                 } );
2825         }
2826
2827         // Arraylike of elements (jQuery, arguments, Array)
2828         if ( typeof qualifier !== "string" ) {
2829                 return jQuery.grep( elements, function( elem ) {
2830                         return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2831                 } );
2832         }
2833
2834         // Filtered directly for both simple and complex selectors
2835         return jQuery.filter( qualifier, elements, not );
2836 }
2837
2838 jQuery.filter = function( expr, elems, not ) {
2839         var elem = elems[ 0 ];
2840
2841         if ( not ) {
2842                 expr = ":not(" + expr + ")";
2843         }
2844
2845         if ( elems.length === 1 && elem.nodeType === 1 ) {
2846                 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2847         }
2848
2849         return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2850                 return elem.nodeType === 1;
2851         } ) );
2852 };
2853
2854 jQuery.fn.extend( {
2855         find: function( selector ) {
2856                 var i, ret,
2857                         len = this.length,
2858                         self = this;
2859
2860                 if ( typeof selector !== "string" ) {
2861                         return this.pushStack( jQuery( selector ).filter( function() {
2862                                 for ( i = 0; i < len; i++ ) {
2863                                         if ( jQuery.contains( self[ i ], this ) ) {
2864                                                 return true;
2865                                         }
2866                                 }
2867                         } ) );
2868                 }
2869
2870                 ret = this.pushStack( [] );
2871
2872                 for ( i = 0; i < len; i++ ) {
2873                         jQuery.find( selector, self[ i ], ret );
2874                 }
2875
2876                 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2877         },
2878         filter: function( selector ) {
2879                 return this.pushStack( winnow( this, selector || [], false ) );
2880         },
2881         not: function( selector ) {
2882                 return this.pushStack( winnow( this, selector || [], true ) );
2883         },
2884         is: function( selector ) {
2885                 return !!winnow(
2886                         this,
2887
2888                         // If this is a positional/relative selector, check membership in the returned set
2889                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
2890                         typeof selector === "string" && rneedsContext.test( selector ) ?
2891                                 jQuery( selector ) :
2892                                 selector || [],
2893                         false
2894                 ).length;
2895         }
2896 } );
2897
2898
2899 // Initialize a jQuery object
2900
2901
2902 // A central reference to the root jQuery(document)
2903 var rootjQuery,
2904
2905         // A simple way to check for HTML strings
2906         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2907         // Strict HTML recognition (#11290: must start with <)
2908         // Shortcut simple #id case for speed
2909         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2910
2911         init = jQuery.fn.init = function( selector, context, root ) {
2912                 var match, elem;
2913
2914                 // HANDLE: $(""), $(null), $(undefined), $(false)
2915                 if ( !selector ) {
2916                         return this;
2917                 }
2918
2919                 // Method init() accepts an alternate rootjQuery
2920                 // so migrate can support jQuery.sub (gh-2101)
2921                 root = root || rootjQuery;
2922
2923                 // Handle HTML strings
2924                 if ( typeof selector === "string" ) {
2925                         if ( selector[ 0 ] === "<" &&
2926                                 selector[ selector.length - 1 ] === ">" &&
2927                                 selector.length >= 3 ) {
2928
2929                                 // Assume that strings that start and end with <> are HTML and skip the regex check
2930                                 match = [ null, selector, null ];
2931
2932                         } else {
2933                                 match = rquickExpr.exec( selector );
2934                         }
2935
2936                         // Match html or make sure no context is specified for #id
2937                         if ( match && ( match[ 1 ] || !context ) ) {
2938
2939                                 // HANDLE: $(html) -> $(array)
2940                                 if ( match[ 1 ] ) {
2941                                         context = context instanceof jQuery ? context[ 0 ] : context;
2942
2943                                         // Option to run scripts is true for back-compat
2944                                         // Intentionally let the error be thrown if parseHTML is not present
2945                                         jQuery.merge( this, jQuery.parseHTML(
2946                                                 match[ 1 ],
2947                                                 context && context.nodeType ? context.ownerDocument || context : document,
2948                                                 true
2949                                         ) );
2950
2951                                         // HANDLE: $(html, props)
2952                                         if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2953                                                 for ( match in context ) {
2954
2955                                                         // Properties of context are called as methods if possible
2956                                                         if ( isFunction( this[ match ] ) ) {
2957                                                                 this[ match ]( context[ match ] );
2958
2959                                                         // ...and otherwise set as attributes
2960                                                         } else {
2961                                                                 this.attr( match, context[ match ] );
2962                                                         }
2963                                                 }
2964                                         }
2965
2966                                         return this;
2967
2968                                 // HANDLE: $(#id)
2969                                 } else {
2970                                         elem = document.getElementById( match[ 2 ] );
2971
2972                                         if ( elem ) {
2973
2974                                                 // Inject the element directly into the jQuery object
2975                                                 this[ 0 ] = elem;
2976                                                 this.length = 1;
2977                                         }
2978                                         return this;
2979                                 }
2980
2981                         // HANDLE: $(expr, $(...))
2982                         } else if ( !context || context.jquery ) {
2983                                 return ( context || root ).find( selector );
2984
2985                         // HANDLE: $(expr, context)
2986                         // (which is just equivalent to: $(context).find(expr)
2987                         } else {
2988                                 return this.constructor( context ).find( selector );
2989                         }
2990
2991                 // HANDLE: $(DOMElement)
2992                 } else if ( selector.nodeType ) {
2993                         this[ 0 ] = selector;
2994                         this.length = 1;
2995                         return this;
2996
2997                 // HANDLE: $(function)
2998                 // Shortcut for document ready
2999                 } else if ( isFunction( selector ) ) {
3000                         return root.ready !== undefined ?
3001                                 root.ready( selector ) :
3002
3003                                 // Execute immediately if ready is not present
3004                                 selector( jQuery );
3005                 }
3006
3007                 return jQuery.makeArray( selector, this );
3008         };
3009
3010 // Give the init function the jQuery prototype for later instantiation
3011 init.prototype = jQuery.fn;
3012
3013 // Initialize central reference
3014 rootjQuery = jQuery( document );
3015
3016
3017 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3018
3019         // Methods guaranteed to produce a unique set when starting from a unique set
3020         guaranteedUnique = {
3021                 children: true,
3022                 contents: true,
3023                 next: true,
3024                 prev: true
3025         };
3026
3027 jQuery.fn.extend( {
3028         has: function( target ) {
3029                 var targets = jQuery( target, this ),
3030                         l = targets.length;
3031
3032                 return this.filter( function() {
3033                         var i = 0;
3034                         for ( ; i < l; i++ ) {
3035                                 if ( jQuery.contains( this, targets[ i ] ) ) {
3036                                         return true;
3037                                 }
3038                         }
3039                 } );
3040         },
3041
3042         closest: function( selectors, context ) {
3043                 var cur,
3044                         i = 0,
3045                         l = this.length,
3046                         matched = [],
3047                         targets = typeof selectors !== "string" && jQuery( selectors );
3048
3049                 // Positional selectors never match, since there's no _selection_ context
3050                 if ( !rneedsContext.test( selectors ) ) {
3051                         for ( ; i < l; i++ ) {
3052                                 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3053
3054                                         // Always skip document fragments
3055                                         if ( cur.nodeType < 11 && ( targets ?
3056                                                 targets.index( cur ) > -1 :
3057
3058                                                 // Don't pass non-elements to Sizzle
3059                                                 cur.nodeType === 1 &&
3060                                                         jQuery.find.matchesSelector( cur, selectors ) ) ) {
3061
3062                                                 matched.push( cur );
3063                                                 break;
3064                                         }
3065                                 }
3066                         }
3067                 }
3068
3069                 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3070         },
3071
3072         // Determine the position of an element within the set
3073         index: function( elem ) {
3074
3075                 // No argument, return index in parent
3076                 if ( !elem ) {
3077                         return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3078                 }
3079
3080                 // Index in selector
3081                 if ( typeof elem === "string" ) {
3082                         return indexOf.call( jQuery( elem ), this[ 0 ] );
3083                 }
3084
3085                 // Locate the position of the desired element
3086                 return indexOf.call( this,
3087
3088                         // If it receives a jQuery object, the first element is used
3089                         elem.jquery ? elem[ 0 ] : elem
3090                 );
3091         },
3092
3093         add: function( selector, context ) {
3094                 return this.pushStack(
3095                         jQuery.uniqueSort(
3096                                 jQuery.merge( this.get(), jQuery( selector, context ) )
3097                         )
3098                 );
3099         },
3100
3101         addBack: function( selector ) {
3102                 return this.add( selector == null ?
3103                         this.prevObject : this.prevObject.filter( selector )
3104                 );
3105         }
3106 } );
3107
3108 function sibling( cur, dir ) {
3109         while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3110         return cur;
3111 }
3112
3113 jQuery.each( {
3114         parent: function( elem ) {
3115                 var parent = elem.parentNode;
3116                 return parent && parent.nodeType !== 11 ? parent : null;
3117         },
3118         parents: function( elem ) {
3119                 return dir( elem, "parentNode" );
3120         },
3121         parentsUntil: function( elem, i, until ) {
3122                 return dir( elem, "parentNode", until );
3123         },
3124         next: function( elem ) {
3125                 return sibling( elem, "nextSibling" );
3126         },
3127         prev: function( elem ) {
3128                 return sibling( elem, "previousSibling" );
3129         },
3130         nextAll: function( elem ) {
3131                 return dir( elem, "nextSibling" );
3132         },
3133         prevAll: function( elem ) {
3134                 return dir( elem, "previousSibling" );
3135         },
3136         nextUntil: function( elem, i, until ) {
3137                 return dir( elem, "nextSibling", until );
3138         },
3139         prevUntil: function( elem, i, until ) {
3140                 return dir( elem, "previousSibling", until );
3141         },
3142         siblings: function( elem ) {
3143                 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3144         },
3145         children: function( elem ) {
3146                 return siblings( elem.firstChild );
3147         },
3148         contents: function( elem ) {
3149         if ( nodeName( elem, "iframe" ) ) {
3150             return elem.contentDocument;
3151         }
3152
3153         // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3154         // Treat the template element as a regular one in browsers that
3155         // don't support it.
3156         if ( nodeName( elem, "template" ) ) {
3157             elem = elem.content || elem;
3158         }
3159
3160         return jQuery.merge( [], elem.childNodes );
3161         }
3162 }, function( name, fn ) {
3163         jQuery.fn[ name ] = function( until, selector ) {
3164                 var matched = jQuery.map( this, fn, until );
3165
3166                 if ( name.slice( -5 ) !== "Until" ) {
3167                         selector = until;
3168                 }
3169
3170                 if ( selector && typeof selector === "string" ) {
3171                         matched = jQuery.filter( selector, matched );
3172                 }
3173
3174                 if ( this.length > 1 ) {
3175
3176                         // Remove duplicates
3177                         if ( !guaranteedUnique[ name ] ) {
3178                                 jQuery.uniqueSort( matched );
3179                         }
3180
3181                         // Reverse order for parents* and prev-derivatives
3182                         if ( rparentsprev.test( name ) ) {
3183                                 matched.reverse();
3184                         }
3185                 }
3186
3187                 return this.pushStack( matched );
3188         };
3189 } );
3190 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3191
3192
3193
3194 // Convert String-formatted options into Object-formatted ones
3195 function createOptions( options ) {
3196         var object = {};
3197         jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3198                 object[ flag ] = true;
3199         } );
3200         return object;
3201 }
3202
3203 /*
3204  * Create a callback list using the following parameters:
3205  *
3206  *      options: an optional list of space-separated options that will change how
3207  *                      the callback list behaves or a more traditional option object
3208  *
3209  * By default a callback list will act like an event callback list and can be
3210  * "fired" multiple times.
3211  *
3212  * Possible options:
3213  *
3214  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3215  *
3216  *      memory:                 will keep track of previous values and will call any callback added
3217  *                                      after the list has been fired right away with the latest "memorized"
3218  *                                      values (like a Deferred)
3219  *
3220  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3221  *
3222  *      stopOnFalse:    interrupt callings when a callback returns false
3223  *
3224  */
3225 jQuery.Callbacks = function( options ) {
3226
3227         // Convert options from String-formatted to Object-formatted if needed
3228         // (we check in cache first)
3229         options = typeof options === "string" ?
3230                 createOptions( options ) :
3231                 jQuery.extend( {}, options );
3232
3233         var // Flag to know if list is currently firing
3234                 firing,
3235
3236                 // Last fire value for non-forgettable lists
3237                 memory,
3238
3239                 // Flag to know if list was already fired
3240                 fired,
3241
3242                 // Flag to prevent firing
3243                 locked,
3244
3245                 // Actual callback list
3246                 list = [],
3247
3248                 // Queue of execution data for repeatable lists
3249                 queue = [],
3250
3251                 // Index of currently firing callback (modified by add/remove as needed)
3252                 firingIndex = -1,
3253
3254                 // Fire callbacks
3255                 fire = function() {
3256
3257                         // Enforce single-firing
3258                         locked = locked || options.once;
3259
3260                         // Execute callbacks for all pending executions,
3261                         // respecting firingIndex overrides and runtime changes
3262                         fired = firing = true;
3263                         for ( ; queue.length; firingIndex = -1 ) {
3264                                 memory = queue.shift();
3265                                 while ( ++firingIndex < list.length ) {
3266
3267                                         // Run callback and check for early termination
3268                                         if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3269                                                 options.stopOnFalse ) {
3270
3271                                                 // Jump to end and forget the data so .add doesn't re-fire
3272                                                 firingIndex = list.length;
3273                                                 memory = false;
3274                                         }
3275                                 }
3276                         }
3277
3278                         // Forget the data if we're done with it
3279                         if ( !options.memory ) {
3280                                 memory = false;
3281                         }
3282
3283                         firing = false;
3284
3285                         // Clean up if we're done firing for good
3286                         if ( locked ) {
3287
3288                                 // Keep an empty list if we have data for future add calls
3289                                 if ( memory ) {
3290                                         list = [];
3291
3292                                 // Otherwise, this object is spent
3293                                 } else {
3294                                         list = "";
3295                                 }
3296                         }
3297                 },
3298
3299                 // Actual Callbacks object
3300                 self = {
3301
3302                         // Add a callback or a collection of callbacks to the list
3303                         add: function() {
3304                                 if ( list ) {
3305
3306                                         // If we have memory from a past run, we should fire after adding
3307                                         if ( memory && !firing ) {
3308                                                 firingIndex = list.length - 1;
3309                                                 queue.push( memory );
3310                                         }
3311
3312                                         ( function add( args ) {
3313                                                 jQuery.each( args, function( _, arg ) {
3314                                                         if ( isFunction( arg ) ) {
3315                                                                 if ( !options.unique || !self.has( arg ) ) {
3316                                                                         list.push( arg );
3317                                                                 }
3318                                                         } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3319
3320                                                                 // Inspect recursively
3321                                                                 add( arg );
3322                                                         }
3323                                                 } );
3324                                         } )( arguments );
3325
3326                                         if ( memory && !firing ) {
3327                                                 fire();
3328                                         }
3329                                 }
3330                                 return this;
3331                         },
3332
3333                         // Remove a callback from the list
3334                         remove: function() {
3335                                 jQuery.each( arguments, function( _, arg ) {
3336                                         var index;
3337                                         while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3338                                                 list.splice( index, 1 );
3339
3340                                                 // Handle firing indexes
3341                                                 if ( index <= firingIndex ) {
3342                                                         firingIndex--;
3343                                                 }
3344                                         }
3345                                 } );
3346                                 return this;
3347                         },
3348
3349                         // Check if a given callback is in the list.
3350                         // If no argument is given, return whether or not list has callbacks attached.
3351                         has: function( fn ) {
3352                                 return fn ?
3353                                         jQuery.inArray( fn, list ) > -1 :
3354                                         list.length > 0;
3355                         },
3356
3357                         // Remove all callbacks from the list
3358                         empty: function() {
3359                                 if ( list ) {
3360                                         list = [];
3361                                 }
3362                                 return this;
3363                         },
3364
3365                         // Disable .fire and .add
3366                         // Abort any current/pending executions
3367                         // Clear all callbacks and values
3368                         disable: function() {
3369                                 locked = queue = [];
3370                                 list = memory = "";
3371                                 return this;
3372                         },
3373                         disabled: function() {
3374                                 return !list;
3375                         },
3376
3377                         // Disable .fire
3378                         // Also disable .add unless we have memory (since it would have no effect)
3379                         // Abort any pending executions
3380                         lock: function() {
3381                                 locked = queue = [];
3382                                 if ( !memory && !firing ) {
3383                                         list = memory = "";
3384                                 }
3385                                 return this;
3386                         },
3387                         locked: function() {
3388                                 return !!locked;
3389                         },
3390
3391                         // Call all callbacks with the given context and arguments
3392                         fireWith: function( context, args ) {
3393                                 if ( !locked ) {
3394                                         args = args || [];
3395                                         args = [ context, args.slice ? args.slice() : args ];
3396                                         queue.push( args );
3397                                         if ( !firing ) {
3398                                                 fire();
3399                                         }
3400                                 }
3401                                 return this;
3402                         },
3403
3404                         // Call all the callbacks with the given arguments
3405                         fire: function() {
3406                                 self.fireWith( this, arguments );
3407                                 return this;
3408                         },
3409
3410                         // To know if the callbacks have already been called at least once
3411                         fired: function() {
3412                                 return !!fired;
3413                         }
3414                 };
3415
3416         return self;
3417 };
3418
3419
3420 function Identity( v ) {
3421         return v;
3422 }
3423 function Thrower( ex ) {
3424         throw ex;
3425 }
3426
3427 function adoptValue( value, resolve, reject, noValue ) {
3428         var method;
3429
3430         try {
3431
3432                 // Check for promise aspect first to privilege synchronous behavior
3433                 if ( value && isFunction( ( method = value.promise ) ) ) {
3434                         method.call( value ).done( resolve ).fail( reject );
3435
3436                 // Other thenables
3437                 } else if ( value && isFunction( ( method = value.then ) ) ) {
3438                         method.call( value, resolve, reject );
3439
3440                 // Other non-thenables
3441                 } else {
3442
3443                         // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3444                         // * false: [ value ].slice( 0 ) => resolve( value )
3445                         // * true: [ value ].slice( 1 ) => resolve()
3446                         resolve.apply( undefined, [ value ].slice( noValue ) );
3447                 }
3448
3449         // For Promises/A+, convert exceptions into rejections
3450         // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3451         // Deferred#then to conditionally suppress rejection.
3452         } catch ( value ) {
3453
3454                 // Support: Android 4.0 only
3455                 // Strict mode functions invoked without .call/.apply get global-object context
3456                 reject.apply( undefined, [ value ] );
3457         }
3458 }
3459
3460 jQuery.extend( {
3461
3462         Deferred: function( func ) {
3463                 var tuples = [
3464
3465                                 // action, add listener, callbacks,
3466                                 // ... .then handlers, argument index, [final state]
3467                                 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3468                                         jQuery.Callbacks( "memory" ), 2 ],
3469                                 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3470                                         jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3471                                 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3472                                         jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3473                         ],
3474                         state = "pending",
3475                         promise = {
3476                                 state: function() {
3477                                         return state;
3478                                 },
3479                                 always: function() {
3480                                         deferred.done( arguments ).fail( arguments );
3481                                         return this;
3482                                 },
3483                                 "catch": function( fn ) {
3484                                         return promise.then( null, fn );
3485                                 },
3486
3487                                 // Keep pipe for back-compat
3488                                 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3489                                         var fns = arguments;
3490
3491                                         return jQuery.Deferred( function( newDefer ) {
3492                                                 jQuery.each( tuples, function( i, tuple ) {
3493
3494                                                         // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3495                                                         var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3496
3497                                                         // deferred.progress(function() { bind to newDefer or newDefer.notify })
3498                                                         // deferred.done(function() { bind to newDefer or newDefer.resolve })
3499                                                         // deferred.fail(function() { bind to newDefer or newDefer.reject })
3500                                                         deferred[ tuple[ 1 ] ]( function() {
3501                                                                 var returned = fn && fn.apply( this, arguments );
3502                                                                 if ( returned && isFunction( returned.promise ) ) {
3503                                                                         returned.promise()
3504                                                                                 .progress( newDefer.notify )
3505                                                                                 .done( newDefer.resolve )
3506                                                                                 .fail( newDefer.reject );
3507                                                                 } else {
3508                                                                         newDefer[ tuple[ 0 ] + "With" ](
3509                                                                                 this,
3510                                                                                 fn ? [ returned ] : arguments
3511                                                                         );
3512                                                                 }
3513                                                         } );
3514                                                 } );
3515                                                 fns = null;
3516                                         } ).promise();
3517                                 },
3518                                 then: function( onFulfilled, onRejected, onProgress ) {
3519                                         var maxDepth = 0;
3520                                         function resolve( depth, deferred, handler, special ) {
3521                                                 return function() {
3522                                                         var that = this,
3523                                                                 args = arguments,
3524                                                                 mightThrow = function() {
3525                                                                         var returned, then;
3526
3527                                                                         // Support: Promises/A+ section 2.3.3.3.3
3528                                                                         // https://promisesaplus.com/#point-59
3529                                                                         // Ignore double-resolution attempts
3530                                                                         if ( depth < maxDepth ) {
3531                                                                                 return;
3532                                                                         }
3533
3534                                                                         returned = handler.apply( that, args );
3535
3536                                                                         // Support: Promises/A+ section 2.3.1
3537                                                                         // https://promisesaplus.com/#point-48
3538                                                                         if ( returned === deferred.promise() ) {
3539                                                                                 throw new TypeError( "Thenable self-resolution" );
3540                                                                         }
3541
3542                                                                         // Support: Promises/A+ sections 2.3.3.1, 3.5
3543                                                                         // https://promisesaplus.com/#point-54
3544                                                                         // https://promisesaplus.com/#point-75
3545                                                                         // Retrieve `then` only once
3546                                                                         then = returned &&
3547
3548                                                                                 // Support: Promises/A+ section 2.3.4
3549                                                                                 // https://promisesaplus.com/#point-64
3550                                                                                 // Only check objects and functions for thenability
3551                                                                                 ( typeof returned === "object" ||
3552                                                                                         typeof returned === "function" ) &&
3553                                                                                 returned.then;
3554
3555                                                                         // Handle a returned thenable
3556                                                                         if ( isFunction( then ) ) {
3557
3558                                                                                 // Special processors (notify) just wait for resolution
3559                                                                                 if ( special ) {
3560                                                                                         then.call(
3561                                                                                                 returned,
3562                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3563                                                                                                 resolve( maxDepth, deferred, Thrower, special )
3564                                                                                         );
3565
3566                                                                                 // Normal processors (resolve) also hook into progress
3567                                                                                 } else {
3568
3569                                                                                         // ...and disregard older resolution values
3570                                                                                         maxDepth++;
3571
3572                                                                                         then.call(
3573                                                                                                 returned,
3574                                                                                                 resolve( maxDepth, deferred, Identity, special ),
3575                                                                                                 resolve( maxDepth, deferred, Thrower, special ),
3576                                                                                                 resolve( maxDepth, deferred, Identity,
3577                                                                                                         deferred.notifyWith )
3578                                                                                         );
3579                                                                                 }
3580
3581                                                                         // Handle all other returned values
3582                                                                         } else {
3583
3584                                                                                 // Only substitute handlers pass on context
3585                                                                                 // and multiple values (non-spec behavior)
3586                                                                                 if ( handler !== Identity ) {
3587                                                                                         that = undefined;
3588                                                                                         args = [ returned ];
3589                                                                                 }
3590
3591                                                                                 // Process the value(s)
3592                                                                                 // Default process is resolve
3593                                                                                 ( special || deferred.resolveWith )( that, args );
3594                                                                         }
3595                                                                 },
3596
3597                                                                 // Only normal processors (resolve) catch and reject exceptions
3598                                                                 process = special ?
3599                                                                         mightThrow :
3600                                                                         function() {
3601                                                                                 try {
3602                                                                                         mightThrow();
3603                                                                                 } catch ( e ) {
3604
3605                                                                                         if ( jQuery.Deferred.exceptionHook ) {
3606                                                                                                 jQuery.Deferred.exceptionHook( e,
3607                                                                                                         process.stackTrace );
3608                                                                                         }
3609
3610                                                                                         // Support: Promises/A+ section 2.3.3.3.4.1
3611                                                                                         // https://promisesaplus.com/#point-61
3612                                                                                         // Ignore post-resolution exceptions
3613                                                                                         if ( depth + 1 >= maxDepth ) {
3614
3615                                                                                                 // Only substitute handlers pass on context
3616                                                                                                 // and multiple values (non-spec behavior)
3617                                                                                                 if ( handler !== Thrower ) {
3618                                                                                                         that = undefined;
3619                                                                                                         args = [ e ];
3620                                                                                                 }
3621
3622                                                                                                 deferred.rejectWith( that, args );
3623                                                                                         }
3624                                                                                 }
3625                                                                         };
3626
3627                                                         // Support: Promises/A+ section 2.3.3.3.1
3628                                                         // https://promisesaplus.com/#point-57
3629                                                         // Re-resolve promises immediately to dodge false rejection from
3630                                                         // subsequent errors
3631                                                         if ( depth ) {
3632                                                                 process();
3633                                                         } else {
3634
3635                                                                 // Call an optional hook to record the stack, in case of exception
3636                                                                 // since it's otherwise lost when execution goes async
3637                                                                 if ( jQuery.Deferred.getStackHook ) {
3638                                                                         process.stackTrace = jQuery.Deferred.getStackHook();
3639                                                                 }
3640                                                                 window.setTimeout( process );
3641                                                         }
3642                                                 };
3643                                         }
3644
3645                                         return jQuery.Deferred( function( newDefer ) {
3646
3647                                                 // progress_handlers.add( ... )
3648                                                 tuples[ 0 ][ 3 ].add(
3649                                                         resolve(
3650                                                                 0,
3651                                                                 newDefer,
3652                                                                 isFunction( onProgress ) ?
3653                                                                         onProgress :
3654                                                                         Identity,
3655                                                                 newDefer.notifyWith
3656                                                         )
3657                                                 );
3658
3659                                                 // fulfilled_handlers.add( ... )
3660                                                 tuples[ 1 ][ 3 ].add(
3661                                                         resolve(
3662                                                                 0,
3663                                                                 newDefer,
3664                                                                 isFunction( onFulfilled ) ?
3665                                                                         onFulfilled :
3666                                                                         Identity
3667                                                         )
3668                                                 );
3669
3670                                                 // rejected_handlers.add( ... )
3671                                                 tuples[ 2 ][ 3 ].add(
3672                                                         resolve(
3673                                                                 0,
3674                                                                 newDefer,
3675                                                                 isFunction( onRejected ) ?
3676                                                                         onRejected :
3677                                                                         Thrower
3678                                                         )
3679                                                 );
3680                                         } ).promise();
3681                                 },
3682
3683                                 // Get a promise for this deferred
3684                                 // If obj is provided, the promise aspect is added to the object
3685                                 promise: function( obj ) {
3686                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3687                                 }
3688                         },
3689                         deferred = {};
3690
3691                 // Add list-specific methods
3692                 jQuery.each( tuples, function( i, tuple ) {
3693                         var list = tuple[ 2 ],
3694                                 stateString = tuple[ 5 ];
3695
3696                         // promise.progress = list.add
3697                         // promise.done = list.add
3698                         // promise.fail = list.add
3699                         promise[ tuple[ 1 ] ] = list.add;
3700
3701                         // Handle state
3702                         if ( stateString ) {
3703                                 list.add(
3704                                         function() {
3705
3706                                                 // state = "resolved" (i.e., fulfilled)
3707                                                 // state = "rejected"
3708                                                 state = stateString;
3709                                         },
3710
3711                                         // rejected_callbacks.disable
3712                                         // fulfilled_callbacks.disable
3713                                         tuples[ 3 - i ][ 2 ].disable,
3714
3715                                         // rejected_handlers.disable
3716                                         // fulfilled_handlers.disable
3717                                         tuples[ 3 - i ][ 3 ].disable,
3718
3719                                         // progress_callbacks.lock
3720                                         tuples[ 0 ][ 2 ].lock,
3721
3722                                         // progress_handlers.lock
3723                                         tuples[ 0 ][ 3 ].lock
3724                                 );
3725                         }
3726
3727                         // progress_handlers.fire
3728                         // fulfilled_handlers.fire
3729                         // rejected_handlers.fire
3730                         list.add( tuple[ 3 ].fire );
3731
3732                         // deferred.notify = function() { deferred.notifyWith(...) }
3733                         // deferred.resolve = function() { deferred.resolveWith(...) }
3734                         // deferred.reject = function() { deferred.rejectWith(...) }
3735                         deferred[ tuple[ 0 ] ] = function() {
3736                                 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3737                                 return this;
3738                         };
3739
3740                         // deferred.notifyWith = list.fireWith
3741                         // deferred.resolveWith = list.fireWith
3742                         // deferred.rejectWith = list.fireWith
3743                         deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3744                 } );
3745
3746                 // Make the deferred a promise
3747                 promise.promise( deferred );
3748
3749                 // Call given func if any
3750                 if ( func ) {
3751                         func.call( deferred, deferred );
3752                 }
3753
3754                 // All done!
3755                 return deferred;
3756         },
3757
3758         // Deferred helper
3759         when: function( singleValue ) {
3760                 var
3761
3762                         // count of uncompleted subordinates
3763                         remaining = arguments.length,
3764
3765                         // count of unprocessed arguments
3766                         i = remaining,
3767
3768                         // subordinate fulfillment data
3769                         resolveContexts = Array( i ),
3770                         resolveValues = slice.call( arguments ),
3771
3772                         // the master Deferred
3773                         master = jQuery.Deferred(),
3774
3775                         // subordinate callback factory
3776                         updateFunc = function( i ) {
3777                                 return function( value ) {
3778                                         resolveContexts[ i ] = this;
3779                                         resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3780                                         if ( !( --remaining ) ) {
3781                                                 master.resolveWith( resolveContexts, resolveValues );
3782                                         }
3783                                 };
3784                         };
3785
3786                 // Single- and empty arguments are adopted like Promise.resolve
3787                 if ( remaining <= 1 ) {
3788                         adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3789                                 !remaining );
3790
3791                         // Use .then() to unwrap secondary thenables (cf. gh-3000)
3792                         if ( master.state() === "pending" ||
3793                                 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3794
3795                                 return master.then();
3796                         }
3797                 }
3798
3799                 // Multiple arguments are aggregated like Promise.all array elements
3800                 while ( i-- ) {
3801                         adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3802                 }
3803
3804                 return master.promise();
3805         }
3806 } );
3807
3808
3809 // These usually indicate a programmer mistake during development,
3810 // warn about them ASAP rather than swallowing them by default.
3811 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3812
3813 jQuery.Deferred.exceptionHook = function( error, stack ) {
3814
3815         // Support: IE 8 - 9 only
3816         // Console exists when dev tools are open, which can happen at any time
3817         if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3818                 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3819         }
3820 };
3821
3822
3823
3824
3825 jQuery.readyException = function( error ) {
3826         window.setTimeout( function() {
3827                 throw error;
3828         } );
3829 };
3830
3831
3832
3833
3834 // The deferred used on DOM ready
3835 var readyList = jQuery.Deferred();
3836
3837 jQuery.fn.ready = function( fn ) {
3838
3839         readyList
3840                 .then( fn )
3841
3842                 // Wrap jQuery.readyException in a function so that the lookup
3843                 // happens at the time of error handling instead of callback
3844                 // registration.
3845                 .catch( function( error ) {
3846                         jQuery.readyException( error );
3847                 } );
3848
3849         return this;
3850 };
3851
3852 jQuery.extend( {
3853
3854         // Is the DOM ready to be used? Set to true once it occurs.
3855         isReady: false,
3856
3857         // A counter to track how many items to wait for before
3858         // the ready event fires. See #6781
3859         readyWait: 1,
3860
3861         // Handle when the DOM is ready
3862         ready: function( wait ) {
3863
3864                 // Abort if there are pending holds or we're already ready
3865                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3866                         return;
3867                 }
3868
3869                 // Remember that the DOM is ready
3870                 jQuery.isReady = true;
3871
3872                 // If a normal DOM Ready event fired, decrement, and wait if need be
3873                 if ( wait !== true && --jQuery.readyWait > 0 ) {
3874                         return;
3875                 }
3876
3877                 // If there are functions bound, to execute
3878                 readyList.resolveWith( document, [ jQuery ] );
3879         }
3880 } );
3881
3882 jQuery.ready.then = readyList.then;
3883
3884 // The ready event handler and self cleanup method
3885 function completed() {
3886         document.removeEventListener( "DOMContentLoaded", completed );
3887         window.removeEventListener( "load", completed );
3888         jQuery.ready();
3889 }
3890
3891 // Catch cases where $(document).ready() is called
3892 // after the browser event has already occurred.
3893 // Support: IE <=9 - 10 only
3894 // Older IE sometimes signals "interactive" too soon
3895 if ( document.readyState === "complete" ||
3896         ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3897
3898         // Handle it asynchronously to allow scripts the opportunity to delay ready
3899         window.setTimeout( jQuery.ready );
3900
3901 } else {
3902
3903         // Use the handy event callback
3904         document.addEventListener( "DOMContentLoaded", completed );
3905
3906         // A fallback to window.onload, that will always work
3907         window.addEventListener( "load", completed );
3908 }
3909
3910
3911
3912
3913 // Multifunctional method to get and set values of a collection
3914 // The value/s can optionally be executed if it's a function
3915 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3916         var i = 0,
3917                 len = elems.length,
3918                 bulk = key == null;
3919
3920         // Sets many values
3921         if ( toType( key ) === "object" ) {
3922                 chainable = true;
3923                 for ( i in key ) {
3924                         access( elems, fn, i, key[ i ], true, emptyGet, raw );
3925                 }
3926
3927         // Sets one value
3928         } else if ( value !== undefined ) {
3929                 chainable = true;
3930
3931                 if ( !isFunction( value ) ) {
3932                         raw = true;
3933                 }
3934
3935                 if ( bulk ) {
3936
3937                         // Bulk operations run against the entire set
3938                         if ( raw ) {
3939                                 fn.call( elems, value );
3940                                 fn = null;
3941
3942                         // ...except when executing function values
3943                         } else {
3944                                 bulk = fn;
3945                                 fn = function( elem, key, value ) {
3946                                         return bulk.call( jQuery( elem ), value );
3947                                 };
3948                         }
3949                 }
3950
3951                 if ( fn ) {
3952                         for ( ; i < len; i++ ) {
3953                                 fn(
3954                                         elems[ i ], key, raw ?
3955                                         value :
3956                                         value.call( elems[ i ], i, fn( elems[ i ], key ) )
3957                                 );
3958                         }
3959                 }
3960         }
3961
3962         if ( chainable ) {
3963                 return elems;
3964         }
3965
3966         // Gets
3967         if ( bulk ) {
3968                 return fn.call( elems );
3969         }
3970
3971         return len ? fn( elems[ 0 ], key ) : emptyGet;
3972 };
3973
3974
3975 // Matches dashed string for camelizing
3976 var rmsPrefix = /^-ms-/,
3977         rdashAlpha = /-([a-z])/g;
3978
3979 // Used by camelCase as callback to replace()
3980 function fcamelCase( all, letter ) {
3981         return letter.toUpperCase();
3982 }
3983
3984 // Convert dashed to camelCase; used by the css and data modules
3985 // Support: IE <=9 - 11, Edge 12 - 15
3986 // Microsoft forgot to hump their vendor prefix (#9572)
3987 function camelCase( string ) {
3988         return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
3989 }
3990 var acceptData = function( owner ) {
3991
3992         // Accepts only:
3993         //  - Node
3994         //    - Node.ELEMENT_NODE
3995         //    - Node.DOCUMENT_NODE
3996         //  - Object
3997         //    - Any
3998         return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
3999 };
4000
4001
4002
4003
4004 function Data() {
4005         this.expando = jQuery.expando + Data.uid++;
4006 }
4007
4008 Data.uid = 1;
4009
4010 Data.prototype = {
4011
4012         cache: function( owner ) {
4013
4014                 // Check if the owner object already has a cache
4015                 var value = owner[ this.expando ];
4016
4017                 // If not, create one
4018                 if ( !value ) {
4019                         value = {};
4020
4021                         // We can accept data for non-element nodes in modern browsers,
4022                         // but we should not, see #8335.
4023                         // Always return an empty object.
4024                         if ( acceptData( owner ) ) {
4025
4026                                 // If it is a node unlikely to be stringify-ed or looped over
4027                                 // use plain assignment
4028                                 if ( owner.nodeType ) {
4029                                         owner[ this.expando ] = value;
4030
4031                                 // Otherwise secure it in a non-enumerable property
4032                                 // configurable must be true to allow the property to be
4033                                 // deleted when data is removed
4034                                 } else {
4035                                         Object.defineProperty( owner, this.expando, {
4036                                                 value: value,
4037                                                 configurable: true
4038                                         } );
4039                                 }
4040                         }
4041                 }
4042
4043                 return value;
4044         },
4045         set: function( owner, data, value ) {
4046                 var prop,
4047                         cache = this.cache( owner );
4048
4049                 // Handle: [ owner, key, value ] args
4050                 // Always use camelCase key (gh-2257)
4051                 if ( typeof data === "string" ) {
4052                         cache[ camelCase( data ) ] = value;
4053
4054                 // Handle: [ owner, { properties } ] args
4055                 } else {
4056
4057                         // Copy the properties one-by-one to the cache object
4058                         for ( prop in data ) {
4059                                 cache[ camelCase( prop ) ] = data[ prop ];
4060                         }
4061                 }
4062                 return cache;
4063         },
4064         get: function( owner, key ) {
4065                 return key === undefined ?
4066                         this.cache( owner ) :
4067
4068                         // Always use camelCase key (gh-2257)
4069                         owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4070         },
4071         access: function( owner, key, value ) {
4072
4073                 // In cases where either:
4074                 //
4075                 //   1. No key was specified
4076                 //   2. A string key was specified, but no value provided
4077                 //
4078                 // Take the "read" path and allow the get method to determine
4079                 // which value to return, respectively either:
4080                 //
4081                 //   1. The entire cache object
4082                 //   2. The data stored at the key
4083                 //
4084                 if ( key === undefined ||
4085                                 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4086
4087                         return this.get( owner, key );
4088                 }
4089
4090                 // When the key is not a string, or both a key and value
4091                 // are specified, set or extend (existing objects) with either:
4092                 //
4093                 //   1. An object of properties
4094                 //   2. A key and value
4095                 //
4096                 this.set( owner, key, value );
4097
4098                 // Since the "set" path can have two possible entry points
4099                 // return the expected data based on which path was taken[*]
4100                 return value !== undefined ? value : key;
4101         },
4102         remove: function( owner, key ) {
4103                 var i,
4104                         cache = owner[ this.expando ];
4105
4106                 if ( cache === undefined ) {
4107                         return;
4108                 }
4109
4110                 if ( key !== undefined ) {
4111
4112                         // Support array or space separated string of keys
4113                         if ( Array.isArray( key ) ) {
4114
4115                                 // If key is an array of keys...
4116                                 // We always set camelCase keys, so remove that.
4117                                 key = key.map( camelCase );
4118                         } else {
4119                                 key = camelCase( key );
4120
4121                                 // If a key with the spaces exists, use it.
4122                                 // Otherwise, create an array by matching non-whitespace
4123                                 key = key in cache ?
4124                                         [ key ] :
4125                                         ( key.match( rnothtmlwhite ) || [] );
4126                         }
4127
4128                         i = key.length;
4129
4130                         while ( i-- ) {
4131                                 delete cache[ key[ i ] ];
4132                         }
4133                 }
4134
4135                 // Remove the expando if there's no more data
4136                 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4137
4138                         // Support: Chrome <=35 - 45
4139                         // Webkit & Blink performance suffers when deleting properties
4140                         // from DOM nodes, so set to undefined instead
4141                         // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4142                         if ( owner.nodeType ) {
4143                                 owner[ this.expando ] = undefined;
4144                         } else {
4145                                 delete owner[ this.expando ];
4146                         }
4147                 }
4148         },
4149         hasData: function( owner ) {
4150                 var cache = owner[ this.expando ];
4151                 return cache !== undefined && !jQuery.isEmptyObject( cache );
4152         }
4153 };
4154 var dataPriv = new Data();
4155
4156 var dataUser = new Data();
4157
4158
4159
4160 //      Implementation Summary
4161 //
4162 //      1. Enforce API surface and semantic compatibility with 1.9.x branch
4163 //      2. Improve the module's maintainability by reducing the storage
4164 //              paths to a single mechanism.
4165 //      3. Use the same single mechanism to support "private" and "user" data.
4166 //      4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4167 //      5. Avoid exposing implementation details on user objects (eg. expando properties)
4168 //      6. Provide a clear path for implementation upgrade to WeakMap in 2014
4169
4170 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4171         rmultiDash = /[A-Z]/g;
4172
4173 function getData( data ) {
4174         if ( data === "true" ) {
4175                 return true;
4176         }
4177
4178         if ( data === "false" ) {
4179                 return false;
4180         }
4181
4182         if ( data === "null" ) {
4183                 return null;
4184         }
4185
4186         // Only convert to a number if it doesn't change the string
4187         if ( data === +data + "" ) {
4188                 return +data;
4189         }
4190
4191         if ( rbrace.test( data ) ) {
4192                 return JSON.parse( data );
4193         }
4194
4195         return data;
4196 }
4197
4198 function dataAttr( elem, key, data ) {
4199         var name;
4200
4201         // If nothing was found internally, try to fetch any
4202         // data from the HTML5 data-* attribute
4203         if ( data === undefined && elem.nodeType === 1 ) {
4204                 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4205                 data = elem.getAttribute( name );
4206
4207                 if ( typeof data === "string" ) {
4208                         try {
4209                                 data = getData( data );
4210                         } catch ( e ) {}
4211
4212                         // Make sure we set the data so it isn't changed later
4213                         dataUser.set( elem, key, data );
4214                 } else {
4215                         data = undefined;
4216                 }
4217         }
4218         return data;
4219 }
4220
4221 jQuery.extend( {
4222         hasData: function( elem ) {
4223                 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4224         },
4225
4226         data: function( elem, name, data ) {
4227                 return dataUser.access( elem, name, data );
4228         },
4229
4230         removeData: function( elem, name ) {
4231                 dataUser.remove( elem, name );
4232         },
4233
4234         // TODO: Now that all calls to _data and _removeData have been replaced
4235         // with direct calls to dataPriv methods, these can be deprecated.
4236         _data: function( elem, name, data ) {
4237                 return dataPriv.access( elem, name, data );
4238         },
4239
4240         _removeData: function( elem, name ) {
4241                 dataPriv.remove( elem, name );
4242         }
4243 } );
4244
4245 jQuery.fn.extend( {
4246         data: function( key, value ) {
4247                 var i, name, data,
4248                         elem = this[ 0 ],
4249                         attrs = elem && elem.attributes;
4250
4251                 // Gets all values
4252                 if ( key === undefined ) {
4253                         if ( this.length ) {
4254                                 data = dataUser.get( elem );
4255
4256                                 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4257                                         i = attrs.length;
4258                                         while ( i-- ) {
4259
4260                                                 // Support: IE 11 only
4261                                                 // The attrs elements can be null (#14894)
4262                                                 if ( attrs[ i ] ) {
4263                                                         name = attrs[ i ].name;
4264                                                         if ( name.indexOf( "data-" ) === 0 ) {
4265                                                                 name = camelCase( name.slice( 5 ) );
4266                                                                 dataAttr( elem, name, data[ name ] );
4267                                                         }
4268                                                 }
4269                                         }
4270                                         dataPriv.set( elem, "hasDataAttrs", true );
4271                                 }
4272                         }
4273
4274                         return data;
4275                 }
4276
4277                 // Sets multiple values
4278                 if ( typeof key === "object" ) {
4279                         return this.each( function() {
4280                                 dataUser.set( this, key );
4281                         } );
4282                 }
4283
4284                 return access( this, function( value ) {
4285                         var data;
4286
4287                         // The calling jQuery object (element matches) is not empty
4288                         // (and therefore has an element appears at this[ 0 ]) and the
4289                         // `value` parameter was not undefined. An empty jQuery object
4290                         // will result in `undefined` for elem = this[ 0 ] which will
4291                         // throw an exception if an attempt to read a data cache is made.
4292                         if ( elem && value === undefined ) {
4293
4294                                 // Attempt to get data from the cache
4295                                 // The key will always be camelCased in Data
4296                                 data = dataUser.get( elem, key );
4297                                 if ( data !== undefined ) {
4298                                         return data;
4299                                 }
4300
4301                                 // Attempt to "discover" the data in
4302                                 // HTML5 custom data-* attrs
4303                                 data = dataAttr( elem, key );
4304                                 if ( data !== undefined ) {
4305                                         return data;
4306                                 }
4307
4308                                 // We tried really hard, but the data doesn't exist.
4309                                 return;
4310                         }
4311
4312                         // Set the data...
4313                         this.each( function() {
4314
4315                                 // We always store the camelCased key
4316                                 dataUser.set( this, key, value );
4317                         } );
4318                 }, null, value, arguments.length > 1, null, true );
4319         },
4320
4321         removeData: function( key ) {
4322                 return this.each( function() {
4323                         dataUser.remove( this, key );
4324                 } );
4325         }
4326 } );
4327
4328
4329 jQuery.extend( {
4330         queue: function( elem, type, data ) {
4331                 var queue;
4332
4333                 if ( elem ) {
4334                         type = ( type || "fx" ) + "queue";
4335                         queue = dataPriv.get( elem, type );
4336
4337                         // Speed up dequeue by getting out quickly if this is just a lookup
4338                         if ( data ) {
4339                                 if ( !queue || Array.isArray( data ) ) {
4340                                         queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4341                                 } else {
4342                                         queue.push( data );
4343                                 }
4344                         }
4345                         return queue || [];
4346                 }
4347         },
4348
4349         dequeue: function( elem, type ) {
4350                 type = type || "fx";
4351
4352                 var queue = jQuery.queue( elem, type ),
4353                         startLength = queue.length,
4354                         fn = queue.shift(),
4355                         hooks = jQuery._queueHooks( elem, type ),
4356                         next = function() {
4357                                 jQuery.dequeue( elem, type );
4358                         };
4359
4360                 // If the fx queue is dequeued, always remove the progress sentinel
4361                 if ( fn === "inprogress" ) {
4362                         fn = queue.shift();
4363                         startLength--;
4364                 }
4365
4366                 if ( fn ) {
4367
4368                         // Add a progress sentinel to prevent the fx queue from being
4369                         // automatically dequeued
4370                         if ( type === "fx" ) {
4371                                 queue.unshift( "inprogress" );
4372                         }
4373
4374                         // Clear up the last queue stop function
4375                         delete hooks.stop;
4376                         fn.call( elem, next, hooks );
4377                 }
4378
4379                 if ( !startLength && hooks ) {
4380                         hooks.empty.fire();
4381                 }
4382         },
4383
4384         // Not public - generate a queueHooks object, or return the current one
4385         _queueHooks: function( elem, type ) {
4386                 var key = type + "queueHooks";
4387                 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4388                         empty: jQuery.Callbacks( "once memory" ).add( function() {
4389                                 dataPriv.remove( elem, [ type + "queue", key ] );
4390                         } )
4391                 } );
4392         }
4393 } );
4394
4395 jQuery.fn.extend( {
4396         queue: function( type, data ) {
4397                 var setter = 2;
4398
4399                 if ( typeof type !== "string" ) {
4400                         data = type;
4401                         type = "fx";
4402                         setter--;
4403                 }
4404
4405                 if ( arguments.length < setter ) {
4406                         return jQuery.queue( this[ 0 ], type );
4407                 }
4408
4409                 return data === undefined ?
4410                         this :
4411                         this.each( function() {
4412                                 var queue = jQuery.queue( this, type, data );
4413
4414                                 // Ensure a hooks for this queue
4415                                 jQuery._queueHooks( this, type );
4416
4417                                 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4418                                         jQuery.dequeue( this, type );
4419                                 }
4420                         } );
4421         },
4422         dequeue: function( type ) {
4423                 return this.each( function() {
4424                         jQuery.dequeue( this, type );
4425                 } );
4426         },
4427         clearQueue: function( type ) {
4428                 return this.queue( type || "fx", [] );
4429         },
4430
4431         // Get a promise resolved when queues of a certain type
4432         // are emptied (fx is the type by default)
4433         promise: function( type, obj ) {
4434                 var tmp,
4435                         count = 1,
4436                         defer = jQuery.Deferred(),
4437                         elements = this,
4438                         i = this.length,
4439                         resolve = function() {
4440                                 if ( !( --count ) ) {
4441                                         defer.resolveWith( elements, [ elements ] );
4442                                 }
4443                         };
4444
4445                 if ( typeof type !== "string" ) {
4446                         obj = type;
4447                         type = undefined;
4448                 }
4449                 type = type || "fx";
4450
4451                 while ( i-- ) {
4452                         tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4453                         if ( tmp && tmp.empty ) {
4454                                 count++;
4455                                 tmp.empty.add( resolve );
4456                         }
4457                 }
4458                 resolve();
4459                 return defer.promise( obj );
4460         }
4461 } );
4462 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4463
4464 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4465
4466
4467 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4468
4469 var isHiddenWithinTree = function( elem, el ) {
4470
4471                 // isHiddenWithinTree might be called from jQuery#filter function;
4472                 // in that case, element will be second argument
4473                 elem = el || elem;
4474
4475                 // Inline style trumps all
4476                 return elem.style.display === "none" ||
4477                         elem.style.display === "" &&
4478
4479                         // Otherwise, check computed style
4480                         // Support: Firefox <=43 - 45
4481                         // Disconnected elements can have computed display: none, so first confirm that elem is
4482                         // in the document.
4483                         jQuery.contains( elem.ownerDocument, elem ) &&
4484
4485                         jQuery.css( elem, "display" ) === "none";
4486         };
4487
4488 var swap = function( elem, options, callback, args ) {
4489         var ret, name,
4490                 old = {};
4491
4492         // Remember the old values, and insert the new ones
4493         for ( name in options ) {
4494                 old[ name ] = elem.style[ name ];
4495                 elem.style[ name ] = options[ name ];
4496         }
4497
4498         ret = callback.apply( elem, args || [] );
4499
4500         // Revert the old values
4501         for ( name in options ) {
4502                 elem.style[ name ] = old[ name ];
4503         }
4504
4505         return ret;
4506 };
4507
4508
4509
4510
4511 function adjustCSS( elem, prop, valueParts, tween ) {
4512         var adjusted, scale,
4513                 maxIterations = 20,
4514                 currentValue = tween ?
4515                         function() {
4516                                 return tween.cur();
4517                         } :
4518                         function() {
4519                                 return jQuery.css( elem, prop, "" );
4520                         },
4521                 initial = currentValue(),
4522                 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4523
4524                 // Starting value computation is required for potential unit mismatches
4525                 initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4526                         rcssNum.exec( jQuery.css( elem, prop ) );
4527
4528         if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4529
4530                 // Support: Firefox <=54
4531                 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4532                 initial = initial / 2;
4533
4534                 // Trust units reported by jQuery.css
4535                 unit = unit || initialInUnit[ 3 ];
4536
4537                 // Iteratively approximate from a nonzero starting point
4538                 initialInUnit = +initial || 1;
4539
4540                 while ( maxIterations-- ) {
4541
4542                         // Evaluate and update our best guess (doubling guesses that zero out).
4543                         // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4544                         jQuery.style( elem, prop, initialInUnit + unit );
4545                         if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4546                                 maxIterations = 0;
4547                         }
4548                         initialInUnit = initialInUnit / scale;
4549
4550                 }
4551
4552                 initialInUnit = initialInUnit * 2;
4553                 jQuery.style( elem, prop, initialInUnit + unit );
4554
4555                 // Make sure we update the tween properties later on
4556                 valueParts = valueParts || [];
4557         }
4558
4559         if ( valueParts ) {
4560                 initialInUnit = +initialInUnit || +initial || 0;
4561
4562                 // Apply relative offset (+=/-=) if specified
4563                 adjusted = valueParts[ 1 ] ?
4564                         initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4565                         +valueParts[ 2 ];
4566                 if ( tween ) {
4567                         tween.unit = unit;
4568                         tween.start = initialInUnit;
4569                         tween.end = adjusted;
4570                 }
4571         }
4572         return adjusted;
4573 }
4574
4575
4576 var defaultDisplayMap = {};
4577
4578 function getDefaultDisplay( elem ) {
4579         var temp,
4580                 doc = elem.ownerDocument,
4581                 nodeName = elem.nodeName,
4582                 display = defaultDisplayMap[ nodeName ];
4583
4584         if ( display ) {
4585                 return display;
4586         }
4587
4588         temp = doc.body.appendChild( doc.createElement( nodeName ) );
4589         display = jQuery.css( temp, "display" );
4590
4591         temp.parentNode.removeChild( temp );
4592
4593         if ( display === "none" ) {
4594                 display = "block";
4595         }
4596         defaultDisplayMap[ nodeName ] = display;
4597
4598         return display;
4599 }
4600
4601 function showHide( elements, show ) {
4602         var display, elem,
4603                 values = [],
4604                 index = 0,
4605                 length = elements.length;
4606
4607         // Determine new display value for elements that need to change
4608         for ( ; index < length; index++ ) {
4609                 elem = elements[ index ];
4610                 if ( !elem.style ) {
4611                         continue;
4612                 }
4613
4614                 display = elem.style.display;
4615                 if ( show ) {
4616
4617                         // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4618                         // check is required in this first loop unless we have a nonempty display value (either
4619                         // inline or about-to-be-restored)
4620                         if ( display === "none" ) {
4621                                 values[ index ] = dataPriv.get( elem, "display" ) || null;
4622                                 if ( !values[ index ] ) {
4623                                         elem.style.display = "";
4624                                 }
4625                         }
4626                         if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4627                                 values[ index ] = getDefaultDisplay( elem );
4628                         }
4629                 } else {
4630                         if ( display !== "none" ) {
4631                                 values[ index ] = "none";
4632
4633                                 // Remember what we're overwriting
4634                                 dataPriv.set( elem, "display", display );
4635                         }
4636                 }
4637         }
4638
4639         // Set the display of the elements in a second loop to avoid constant reflow
4640         for ( index = 0; index < length; index++ ) {
4641                 if ( values[ index ] != null ) {
4642                         elements[ index ].style.display = values[ index ];
4643                 }
4644         }
4645
4646         return elements;
4647 }
4648
4649 jQuery.fn.extend( {
4650         show: function() {
4651                 return showHide( this, true );
4652         },
4653         hide: function() {
4654                 return showHide( this );
4655         },
4656         toggle: function( state ) {
4657                 if ( typeof state === "boolean" ) {
4658                         return state ? this.show() : this.hide();
4659                 }
4660
4661                 return this.each( function() {
4662                         if ( isHiddenWithinTree( this ) ) {
4663                                 jQuery( this ).show();
4664                         } else {
4665                                 jQuery( this ).hide();
4666                         }
4667                 } );
4668         }
4669 } );
4670 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4671
4672 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
4673
4674 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4675
4676
4677
4678 // We have to close these tags to support XHTML (#13200)
4679 var wrapMap = {
4680
4681         // Support: IE <=9 only
4682         option: [ 1, "<select multiple='multiple'>", "</select>" ],
4683
4684         // XHTML parsers do not magically insert elements in the
4685         // same way that tag soup parsers do. So we cannot shorten
4686         // this by omitting <tbody> or other required elements.
4687         thead: [ 1, "<table>", "</table>" ],
4688         col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4689         tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4690         td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4691
4692         _default: [ 0, "", "" ]
4693 };
4694
4695 // Support: IE <=9 only
4696 wrapMap.optgroup = wrapMap.option;
4697
4698 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4699 wrapMap.th = wrapMap.td;
4700
4701
4702 function getAll( context, tag ) {
4703
4704         // Support: IE <=9 - 11 only
4705         // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4706         var ret;
4707
4708         if ( typeof context.getElementsByTagName !== "undefined" ) {
4709                 ret = context.getElementsByTagName( tag || "*" );
4710
4711         } else if ( typeof context.querySelectorAll !== "undefined" ) {
4712                 ret = context.querySelectorAll( tag || "*" );
4713
4714         } else {
4715                 ret = [];
4716         }
4717
4718         if ( tag === undefined || tag && nodeName( context, tag ) ) {
4719                 return jQuery.merge( [ context ], ret );
4720         }
4721
4722         return ret;
4723 }
4724
4725
4726 // Mark scripts as having already been evaluated
4727 function setGlobalEval( elems, refElements ) {
4728         var i = 0,
4729                 l = elems.length;
4730
4731         for ( ; i < l; i++ ) {
4732                 dataPriv.set(
4733                         elems[ i ],
4734                         "globalEval",
4735                         !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4736                 );
4737         }
4738 }
4739
4740
4741 var rhtml = /<|&#?\w+;/;
4742
4743 function buildFragment( elems, context, scripts, selection, ignored ) {
4744         var elem, tmp, tag, wrap, contains, j,
4745                 fragment = context.createDocumentFragment(),
4746                 nodes = [],
4747                 i = 0,
4748                 l = elems.length;
4749
4750         for ( ; i < l; i++ ) {
4751                 elem = elems[ i ];
4752
4753                 if ( elem || elem === 0 ) {
4754
4755                         // Add nodes directly
4756                         if ( toType( elem ) === "object" ) {
4757
4758                                 // Support: Android <=4.0 only, PhantomJS 1 only
4759                                 // push.apply(_, arraylike) throws on ancient WebKit
4760                                 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4761
4762                         // Convert non-html into a text node
4763                         } else if ( !rhtml.test( elem ) ) {
4764                                 nodes.push( context.createTextNode( elem ) );
4765
4766                         // Convert html into DOM nodes
4767                         } else {
4768                                 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4769
4770                                 // Deserialize a standard representation
4771                                 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4772                                 wrap = wrapMap[ tag ] || wrapMap._default;
4773                                 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4774
4775                                 // Descend through wrappers to the right content
4776                                 j = wrap[ 0 ];
4777                                 while ( j-- ) {
4778                                         tmp = tmp.lastChild;
4779                                 }
4780
4781                                 // Support: Android <=4.0 only, PhantomJS 1 only
4782                                 // push.apply(_, arraylike) throws on ancient WebKit
4783                                 jQuery.merge( nodes, tmp.childNodes );
4784
4785                                 // Remember the top-level container
4786                                 tmp = fragment.firstChild;
4787
4788                                 // Ensure the created nodes are orphaned (#12392)
4789                                 tmp.textContent = "";
4790                         }
4791                 }
4792         }
4793
4794         // Remove wrapper from fragment
4795         fragment.textContent = "";
4796
4797         i = 0;
4798         while ( ( elem = nodes[ i++ ] ) ) {
4799
4800                 // Skip elements already in the context collection (trac-4087)
4801                 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4802                         if ( ignored ) {
4803                                 ignored.push( elem );
4804                         }
4805                         continue;
4806                 }
4807
4808                 contains = jQuery.contains( elem.ownerDocument, elem );
4809
4810                 // Append to fragment
4811                 tmp = getAll( fragment.appendChild( elem ), "script" );
4812
4813                 // Preserve script evaluation history
4814                 if ( contains ) {
4815                         setGlobalEval( tmp );
4816                 }
4817
4818                 // Capture executables
4819                 if ( scripts ) {
4820                         j = 0;
4821                         while ( ( elem = tmp[ j++ ] ) ) {
4822                                 if ( rscriptType.test( elem.type || "" ) ) {
4823                                         scripts.push( elem );
4824                                 }
4825                         }
4826                 }
4827         }
4828
4829         return fragment;
4830 }
4831
4832
4833 ( function() {
4834         var fragment = document.createDocumentFragment(),
4835                 div = fragment.appendChild( document.createElement( "div" ) ),
4836                 input = document.createElement( "input" );
4837
4838         // Support: Android 4.0 - 4.3 only
4839         // Check state lost if the name is set (#11217)
4840         // Support: Windows Web Apps (WWA)
4841         // `name` and `type` must use .setAttribute for WWA (#14901)
4842         input.setAttribute( "type", "radio" );
4843         input.setAttribute( "checked", "checked" );
4844         input.setAttribute( "name", "t" );
4845
4846         div.appendChild( input );
4847
4848         // Support: Android <=4.1 only
4849         // Older WebKit doesn't clone checked state correctly in fragments
4850         support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4851
4852         // Support: IE <=11 only
4853         // Make sure textarea (and checkbox) defaultValue is properly cloned
4854         div.innerHTML = "<textarea>x</textarea>";
4855         support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4856 } )();
4857 var documentElement = document.documentElement;
4858
4859
4860
4861 var
4862         rkeyEvent = /^key/,
4863         rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4864         rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4865
4866 function returnTrue() {
4867         return true;
4868 }
4869
4870 function returnFalse() {
4871         return false;
4872 }
4873
4874 // Support: IE <=9 only
4875 // See #13393 for more info
4876 function safeActiveElement() {
4877         try {
4878                 return document.activeElement;
4879         } catch ( err ) { }
4880 }
4881
4882 function on( elem, types, selector, data, fn, one ) {
4883         var origFn, type;
4884
4885         // Types can be a map of types/handlers
4886         if ( typeof types === "object" ) {
4887
4888                 // ( types-Object, selector, data )
4889                 if ( typeof selector !== "string" ) {
4890
4891                         // ( types-Object, data )
4892                         data = data || selector;
4893                         selector = undefined;
4894                 }
4895                 for ( type in types ) {
4896                         on( elem, type, selector, data, types[ type ], one );
4897                 }
4898                 return elem;
4899         }
4900
4901         if ( data == null && fn == null ) {
4902
4903                 // ( types, fn )
4904                 fn = selector;
4905                 data = selector = undefined;
4906         } else if ( fn == null ) {
4907                 if ( typeof selector === "string" ) {
4908
4909                         // ( types, selector, fn )
4910                         fn = data;
4911                         data = undefined;
4912                 } else {
4913
4914                         // ( types, data, fn )
4915                         fn = data;
4916                         data = selector;
4917                         selector = undefined;
4918                 }
4919         }
4920         if ( fn === false ) {
4921                 fn = returnFalse;
4922         } else if ( !fn ) {
4923                 return elem;
4924         }
4925
4926         if ( one === 1 ) {
4927                 origFn = fn;
4928                 fn = function( event ) {
4929
4930                         // Can use an empty set, since event contains the info
4931                         jQuery().off( event );
4932                         return origFn.apply( this, arguments );
4933                 };
4934
4935                 // Use same guid so caller can remove using origFn
4936                 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4937         }
4938         return elem.each( function() {
4939                 jQuery.event.add( this, types, fn, data, selector );
4940         } );
4941 }
4942
4943 /*
4944  * Helper functions for managing events -- not part of the public interface.
4945  * Props to Dean Edwards' addEvent library for many of the ideas.
4946  */
4947 jQuery.event = {
4948
4949         global: {},
4950
4951         add: function( elem, types, handler, data, selector ) {
4952
4953                 var handleObjIn, eventHandle, tmp,
4954                         events, t, handleObj,
4955                         special, handlers, type, namespaces, origType,
4956                         elemData = dataPriv.get( elem );
4957
4958                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4959                 if ( !elemData ) {
4960                         return;
4961                 }
4962
4963                 // Caller can pass in an object of custom data in lieu of the handler
4964                 if ( handler.handler ) {
4965                         handleObjIn = handler;
4966                         handler = handleObjIn.handler;
4967                         selector = handleObjIn.selector;
4968                 }
4969
4970                 // Ensure that invalid selectors throw exceptions at attach time
4971                 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
4972                 if ( selector ) {
4973                         jQuery.find.matchesSelector( documentElement, selector );
4974                 }
4975
4976                 // Make sure that the handler has a unique ID, used to find/remove it later
4977                 if ( !handler.guid ) {
4978                         handler.guid = jQuery.guid++;
4979                 }
4980
4981                 // Init the element's event structure and main handler, if this is the first
4982                 if ( !( events = elemData.events ) ) {
4983                         events = elemData.events = {};
4984                 }
4985                 if ( !( eventHandle = elemData.handle ) ) {
4986                         eventHandle = elemData.handle = function( e ) {
4987
4988                                 // Discard the second event of a jQuery.event.trigger() and
4989                                 // when an event is called after a page has unloaded
4990                                 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
4991                                         jQuery.event.dispatch.apply( elem, arguments ) : undefined;
4992                         };
4993                 }
4994
4995                 // Handle multiple events separated by a space
4996                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
4997                 t = types.length;
4998                 while ( t-- ) {
4999                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5000                         type = origType = tmp[ 1 ];
5001                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5002
5003                         // There *must* be a type, no attaching namespace-only handlers
5004                         if ( !type ) {
5005                                 continue;
5006                         }
5007
5008                         // If event changes its type, use the special event handlers for the changed type
5009                         special = jQuery.event.special[ type ] || {};
5010
5011                         // If selector defined, determine special event api type, otherwise given type
5012                         type = ( selector ? special.delegateType : special.bindType ) || type;
5013
5014                         // Update special based on newly reset type
5015                         special = jQuery.event.special[ type ] || {};
5016
5017                         // handleObj is passed to all event handlers
5018                         handleObj = jQuery.extend( {
5019                                 type: type,
5020                                 origType: origType,
5021                                 data: data,
5022                                 handler: handler,
5023                                 guid: handler.guid,
5024                                 selector: selector,
5025                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5026                                 namespace: namespaces.join( "." )
5027                         }, handleObjIn );
5028
5029                         // Init the event handler queue if we're the first
5030                         if ( !( handlers = events[ type ] ) ) {
5031                                 handlers = events[ type ] = [];
5032                                 handlers.delegateCount = 0;
5033
5034                                 // Only use addEventListener if the special events handler returns false
5035                                 if ( !special.setup ||
5036                                         special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5037
5038                                         if ( elem.addEventListener ) {
5039                                                 elem.addEventListener( type, eventHandle );
5040                                         }
5041                                 }
5042                         }
5043
5044                         if ( special.add ) {
5045                                 special.add.call( elem, handleObj );
5046
5047                                 if ( !handleObj.handler.guid ) {
5048                                         handleObj.handler.guid = handler.guid;
5049                                 }
5050                         }
5051
5052                         // Add to the element's handler list, delegates in front
5053                         if ( selector ) {
5054                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
5055                         } else {
5056                                 handlers.push( handleObj );
5057                         }
5058
5059                         // Keep track of which events have ever been used, for event optimization
5060                         jQuery.event.global[ type ] = true;
5061                 }
5062
5063         },
5064
5065         // Detach an event or set of events from an element
5066         remove: function( elem, types, handler, selector, mappedTypes ) {
5067
5068                 var j, origCount, tmp,
5069                         events, t, handleObj,
5070                         special, handlers, type, namespaces, origType,
5071                         elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5072
5073                 if ( !elemData || !( events = elemData.events ) ) {
5074                         return;
5075                 }
5076
5077                 // Once for each type.namespace in types; type may be omitted
5078                 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5079                 t = types.length;
5080                 while ( t-- ) {
5081                         tmp = rtypenamespace.exec( types[ t ] ) || [];
5082                         type = origType = tmp[ 1 ];
5083                         namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5084
5085                         // Unbind all events (on this namespace, if provided) for the element
5086                         if ( !type ) {
5087                                 for ( type in events ) {
5088                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5089                                 }
5090                                 continue;
5091                         }
5092
5093                         special = jQuery.event.special[ type ] || {};
5094                         type = ( selector ? special.delegateType : special.bindType ) || type;
5095                         handlers = events[ type ] || [];
5096                         tmp = tmp[ 2 ] &&
5097                                 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5098
5099                         // Remove matching events
5100                         origCount = j = handlers.length;
5101                         while ( j-- ) {
5102                                 handleObj = handlers[ j ];
5103
5104                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
5105                                         ( !handler || handler.guid === handleObj.guid ) &&
5106                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
5107                                         ( !selector || selector === handleObj.selector ||
5108                                                 selector === "**" && handleObj.selector ) ) {
5109                                         handlers.splice( j, 1 );
5110
5111                                         if ( handleObj.selector ) {
5112                                                 handlers.delegateCount--;
5113                                         }
5114                                         if ( special.remove ) {
5115                                                 special.remove.call( elem, handleObj );
5116                                         }
5117                                 }
5118                         }
5119
5120                         // Remove generic event handler if we removed something and no more handlers exist
5121                         // (avoids potential for endless recursion during removal of special event handlers)
5122                         if ( origCount && !handlers.length ) {
5123                                 if ( !special.teardown ||
5124                                         special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5125
5126                                         jQuery.removeEvent( elem, type, elemData.handle );
5127                                 }
5128
5129                                 delete events[ type ];
5130                         }
5131                 }
5132
5133                 // Remove data and the expando if it's no longer used
5134                 if ( jQuery.isEmptyObject( events ) ) {
5135                         dataPriv.remove( elem, "handle events" );
5136                 }
5137         },
5138
5139         dispatch: function( nativeEvent ) {
5140
5141                 // Make a writable jQuery.Event from the native event object
5142                 var event = jQuery.event.fix( nativeEvent );
5143
5144                 var i, j, ret, matched, handleObj, handlerQueue,
5145                         args = new Array( arguments.length ),
5146                         handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5147                         special = jQuery.event.special[ event.type ] || {};
5148
5149                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5150                 args[ 0 ] = event;
5151
5152                 for ( i = 1; i < arguments.length; i++ ) {
5153                         args[ i ] = arguments[ i ];
5154                 }
5155
5156                 event.delegateTarget = this;
5157
5158                 // Call the preDispatch hook for the mapped type, and let it bail if desired
5159                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5160                         return;
5161                 }
5162
5163                 // Determine handlers
5164                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5165
5166                 // Run delegates first; they may want to stop propagation beneath us
5167                 i = 0;
5168                 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5169                         event.currentTarget = matched.elem;
5170
5171                         j = 0;
5172                         while ( ( handleObj = matched.handlers[ j++ ] ) &&
5173                                 !event.isImmediatePropagationStopped() ) {
5174
5175                                 // Triggered event must either 1) have no namespace, or 2) have namespace(s)
5176                                 // a subset or equal to those in the bound event (both can have no namespace).
5177                                 if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
5178
5179                                         event.handleObj = handleObj;
5180                                         event.data = handleObj.data;
5181
5182                                         ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5183                                                 handleObj.handler ).apply( matched.elem, args );
5184
5185                                         if ( ret !== undefined ) {
5186                                                 if ( ( event.result = ret ) === false ) {
5187                                                         event.preventDefault();
5188                                                         event.stopPropagation();
5189                                                 }
5190                                         }
5191                                 }
5192                         }
5193                 }
5194
5195                 // Call the postDispatch hook for the mapped type
5196                 if ( special.postDispatch ) {
5197                         special.postDispatch.call( this, event );
5198                 }
5199
5200                 return event.result;
5201         },
5202
5203         handlers: function( event, handlers ) {
5204                 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5205                         handlerQueue = [],
5206                         delegateCount = handlers.delegateCount,
5207                         cur = event.target;
5208
5209                 // Find delegate handlers
5210                 if ( delegateCount &&
5211
5212                         // Support: IE <=9
5213                         // Black-hole SVG <use> instance trees (trac-13180)
5214                         cur.nodeType &&
5215
5216                         // Support: Firefox <=42
5217                         // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5218                         // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5219                         // Support: IE 11 only
5220                         // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5221                         !( event.type === "click" && event.button >= 1 ) ) {
5222
5223                         for ( ; cur !== this; cur = cur.parentNode || this ) {
5224
5225                                 // Don't check non-elements (#13208)
5226                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5227                                 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5228                                         matchedHandlers = [];
5229                                         matchedSelectors = {};
5230                                         for ( i = 0; i < delegateCount; i++ ) {
5231                                                 handleObj = handlers[ i ];
5232
5233                                                 // Don't conflict with Object.prototype properties (#13203)
5234                                                 sel = handleObj.selector + " ";
5235
5236                                                 if ( matchedSelectors[ sel ] === undefined ) {
5237                                                         matchedSelectors[ sel ] = handleObj.needsContext ?
5238                                                                 jQuery( sel, this ).index( cur ) > -1 :
5239                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
5240                                                 }
5241                                                 if ( matchedSelectors[ sel ] ) {
5242                                                         matchedHandlers.push( handleObj );
5243                                                 }
5244                                         }
5245                                         if ( matchedHandlers.length ) {
5246                                                 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5247                                         }
5248                                 }
5249                         }
5250                 }
5251
5252                 // Add the remaining (directly-bound) handlers
5253                 cur = this;
5254                 if ( delegateCount < handlers.length ) {
5255                         handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5256                 }
5257
5258                 return handlerQueue;
5259         },
5260
5261         addProp: function( name, hook ) {
5262                 Object.defineProperty( jQuery.Event.prototype, name, {
5263                         enumerable: true,
5264                         configurable: true,
5265
5266                         get: isFunction( hook ) ?
5267                                 function() {
5268                                         if ( this.originalEvent ) {
5269                                                         return hook( this.originalEvent );
5270                                         }
5271                                 } :
5272                                 function() {
5273                                         if ( this.originalEvent ) {
5274                                                         return this.originalEvent[ name ];
5275                                         }
5276                                 },
5277
5278                         set: function( value ) {
5279                                 Object.defineProperty( this, name, {
5280                                         enumerable: true,
5281                                         configurable: true,
5282                                         writable: true,
5283                                         value: value
5284                                 } );
5285                         }
5286                 } );
5287         },
5288
5289         fix: function( originalEvent ) {
5290                 return originalEvent[ jQuery.expando ] ?
5291                         originalEvent :
5292                         new jQuery.Event( originalEvent );
5293         },
5294
5295         special: {
5296                 load: {
5297
5298                         // Prevent triggered image.load events from bubbling to window.load
5299                         noBubble: true
5300                 },
5301                 focus: {
5302
5303                         // Fire native event if possible so blur/focus sequence is correct
5304                         trigger: function() {
5305                                 if ( this !== safeActiveElement() && this.focus ) {
5306                                         this.focus();
5307                                         return false;
5308                                 }
5309                         },
5310                         delegateType: "focusin"
5311                 },
5312                 blur: {
5313                         trigger: function() {
5314                                 if ( this === safeActiveElement() && this.blur ) {
5315                                         this.blur();
5316                                         return false;
5317                                 }
5318                         },
5319                         delegateType: "focusout"
5320                 },
5321                 click: {
5322
5323                         // For checkbox, fire native event so checked state will be right
5324                         trigger: function() {
5325                                 if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
5326                                         this.click();
5327                                         return false;
5328                                 }
5329                         },
5330
5331                         // For cross-browser consistency, don't fire native .click() on links
5332                         _default: function( event ) {
5333                                 return nodeName( event.target, "a" );
5334                         }
5335                 },
5336
5337                 beforeunload: {
5338                         postDispatch: function( event ) {
5339
5340                                 // Support: Firefox 20+
5341                                 // Firefox doesn't alert if the returnValue field is not set.
5342                                 if ( event.result !== undefined && event.originalEvent ) {
5343                                         event.originalEvent.returnValue = event.result;
5344                                 }
5345                         }
5346                 }
5347         }
5348 };
5349
5350 jQuery.removeEvent = function( elem, type, handle ) {
5351
5352         // This "if" is needed for plain objects
5353         if ( elem.removeEventListener ) {
5354                 elem.removeEventListener( type, handle );
5355         }
5356 };
5357
5358 jQuery.Event = function( src, props ) {
5359
5360         // Allow instantiation without the 'new' keyword
5361         if ( !( this instanceof jQuery.Event ) ) {
5362                 return new jQuery.Event( src, props );
5363         }
5364
5365         // Event object
5366         if ( src && src.type ) {
5367                 this.originalEvent = src;
5368                 this.type = src.type;
5369
5370                 // Events bubbling up the document may have been marked as prevented
5371                 // by a handler lower down the tree; reflect the correct value.
5372                 this.isDefaultPrevented = src.defaultPrevented ||
5373                                 src.defaultPrevented === undefined &&
5374
5375                                 // Support: Android <=2.3 only
5376                                 src.returnValue === false ?
5377                         returnTrue :
5378                         returnFalse;
5379
5380                 // Create target properties
5381                 // Support: Safari <=6 - 7 only
5382                 // Target should not be a text node (#504, #13143)
5383                 this.target = ( src.target && src.target.nodeType === 3 ) ?
5384                         src.target.parentNode :
5385                         src.target;
5386
5387                 this.currentTarget = src.currentTarget;
5388                 this.relatedTarget = src.relatedTarget;
5389
5390         // Event type
5391         } else {
5392                 this.type = src;
5393         }
5394
5395         // Put explicitly provided properties onto the event object
5396         if ( props ) {
5397                 jQuery.extend( this, props );
5398         }
5399
5400         // Create a timestamp if incoming event doesn't have one
5401         this.timeStamp = src && src.timeStamp || Date.now();
5402
5403         // Mark it as fixed
5404         this[ jQuery.expando ] = true;
5405 };
5406
5407 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5408 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5409 jQuery.Event.prototype = {
5410         constructor: jQuery.Event,
5411         isDefaultPrevented: returnFalse,
5412         isPropagationStopped: returnFalse,
5413         isImmediatePropagationStopped: returnFalse,
5414         isSimulated: false,
5415
5416         preventDefault: function() {
5417                 var e = this.originalEvent;
5418
5419                 this.isDefaultPrevented = returnTrue;
5420
5421                 if ( e && !this.isSimulated ) {
5422                         e.preventDefault();
5423                 }
5424         },
5425         stopPropagation: function() {
5426                 var e = this.originalEvent;
5427
5428                 this.isPropagationStopped = returnTrue;
5429
5430                 if ( e && !this.isSimulated ) {
5431                         e.stopPropagation();
5432                 }
5433         },
5434         stopImmediatePropagation: function() {
5435                 var e = this.originalEvent;
5436
5437                 this.isImmediatePropagationStopped = returnTrue;
5438
5439                 if ( e && !this.isSimulated ) {
5440                         e.stopImmediatePropagation();
5441                 }
5442
5443                 this.stopPropagation();
5444         }
5445 };
5446
5447 // Includes all common event props including KeyEvent and MouseEvent specific props
5448 jQuery.each( {
5449         altKey: true,
5450         bubbles: true,
5451         cancelable: true,
5452         changedTouches: true,
5453         ctrlKey: true,
5454         detail: true,
5455         eventPhase: true,
5456         metaKey: true,
5457         pageX: true,
5458         pageY: true,
5459         shiftKey: true,
5460         view: true,
5461         "char": true,
5462         charCode: true,
5463         key: true,
5464         keyCode: true,
5465         button: true,
5466         buttons: true,
5467         clientX: true,
5468         clientY: true,
5469         offsetX: true,
5470         offsetY: true,
5471         pointerId: true,
5472         pointerType: true,
5473         screenX: true,
5474         screenY: true,
5475         targetTouches: true,
5476         toElement: true,
5477         touches: true,
5478
5479         which: function( event ) {
5480                 var button = event.button;
5481
5482                 // Add which for key events
5483                 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5484                         return event.charCode != null ? event.charCode : event.keyCode;
5485                 }
5486
5487                 // Add which for click: 1 === left; 2 === middle; 3 === right
5488                 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5489                         if ( button & 1 ) {
5490                                 return 1;
5491                         }
5492
5493                         if ( button & 2 ) {
5494                                 return 3;
5495                         }
5496
5497                         if ( button & 4 ) {
5498                                 return 2;
5499                         }
5500
5501                         return 0;
5502                 }
5503
5504                 return event.which;
5505         }
5506 }, jQuery.event.addProp );
5507
5508 // Create mouseenter/leave events using mouseover/out and event-time checks
5509 // so that event delegation works in jQuery.
5510 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5511 //
5512 // Support: Safari 7 only
5513 // Safari sends mouseenter too often; see:
5514 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5515 // for the description of the bug (it existed in older Chrome versions as well).
5516 jQuery.each( {
5517         mouseenter: "mouseover",
5518         mouseleave: "mouseout",
5519         pointerenter: "pointerover",
5520         pointerleave: "pointerout"
5521 }, function( orig, fix ) {
5522         jQuery.event.special[ orig ] = {
5523                 delegateType: fix,
5524                 bindType: fix,
5525
5526                 handle: function( event ) {
5527                         var ret,
5528                                 target = this,
5529                                 related = event.relatedTarget,
5530                                 handleObj = event.handleObj;
5531
5532                         // For mouseenter/leave call the handler if related is outside the target.
5533                         // NB: No relatedTarget if the mouse left/entered the browser window
5534                         if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5535                                 event.type = handleObj.origType;
5536                                 ret = handleObj.handler.apply( this, arguments );
5537                                 event.type = fix;
5538                         }
5539                         return ret;
5540                 }
5541         };
5542 } );
5543
5544 jQuery.fn.extend( {
5545
5546         on: function( types, selector, data, fn ) {
5547                 return on( this, types, selector, data, fn );
5548         },
5549         one: function( types, selector, data, fn ) {
5550                 return on( this, types, selector, data, fn, 1 );
5551         },
5552         off: function( types, selector, fn ) {
5553                 var handleObj, type;
5554                 if ( types && types.preventDefault && types.handleObj ) {
5555
5556                         // ( event )  dispatched jQuery.Event
5557                         handleObj = types.handleObj;
5558                         jQuery( types.delegateTarget ).off(
5559                                 handleObj.namespace ?
5560                                         handleObj.origType + "." + handleObj.namespace :
5561                                         handleObj.origType,
5562                                 handleObj.selector,
5563                                 handleObj.handler
5564                         );
5565                         return this;
5566                 }
5567                 if ( typeof types === "object" ) {
5568
5569                         // ( types-object [, selector] )
5570                         for ( type in types ) {
5571                                 this.off( type, selector, types[ type ] );
5572                         }
5573                         return this;
5574                 }
5575                 if ( selector === false || typeof selector === "function" ) {
5576
5577                         // ( types [, fn] )
5578                         fn = selector;
5579                         selector = undefined;
5580                 }
5581                 if ( fn === false ) {
5582                         fn = returnFalse;
5583                 }
5584                 return this.each( function() {
5585                         jQuery.event.remove( this, types, fn, selector );
5586                 } );
5587         }
5588 } );
5589
5590
5591 var
5592
5593         /* eslint-disable max-len */
5594
5595         // See https://github.com/eslint/eslint/issues/3229
5596         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5597
5598         /* eslint-enable */
5599
5600         // Support: IE <=10 - 11, Edge 12 - 13 only
5601         // In IE/Edge using regex groups here causes severe slowdowns.
5602         // See https://connect.microsoft.com/IE/feedback/details/1736512/
5603         rnoInnerhtml = /<script|<style|<link/i,
5604
5605         // checked="checked" or checked
5606         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5607         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5608
5609 // Prefer a tbody over its parent table for containing new rows
5610 function manipulationTarget( elem, content ) {
5611         if ( nodeName( elem, "table" ) &&
5612                 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5613
5614                 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5615         }
5616
5617         return elem;
5618 }
5619
5620 // Replace/restore the type attribute of script elements for safe DOM manipulation
5621 function disableScript( elem ) {
5622         elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5623         return elem;
5624 }
5625 function restoreScript( elem ) {
5626         if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5627                 elem.type = elem.type.slice( 5 );
5628         } else {
5629                 elem.removeAttribute( "type" );
5630         }
5631
5632         return elem;
5633 }
5634
5635 function cloneCopyEvent( src, dest ) {
5636         var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5637
5638         if ( dest.nodeType !== 1 ) {
5639                 return;
5640         }
5641
5642         // 1. Copy private data: events, handlers, etc.
5643         if ( dataPriv.hasData( src ) ) {
5644                 pdataOld = dataPriv.access( src );
5645                 pdataCur = dataPriv.set( dest, pdataOld );
5646                 events = pdataOld.events;
5647
5648                 if ( events ) {
5649                         delete pdataCur.handle;
5650                         pdataCur.events = {};
5651
5652                         for ( type in events ) {
5653                                 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5654                                         jQuery.event.add( dest, type, events[ type ][ i ] );
5655                                 }
5656                         }
5657                 }
5658         }
5659
5660         // 2. Copy user data
5661         if ( dataUser.hasData( src ) ) {
5662                 udataOld = dataUser.access( src );
5663                 udataCur = jQuery.extend( {}, udataOld );
5664
5665                 dataUser.set( dest, udataCur );
5666         }
5667 }
5668
5669 // Fix IE bugs, see support tests
5670 function fixInput( src, dest ) {
5671         var nodeName = dest.nodeName.toLowerCase();
5672
5673         // Fails to persist the checked state of a cloned checkbox or radio button.
5674         if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5675                 dest.checked = src.checked;
5676
5677         // Fails to return the selected option to the default selected state when cloning options
5678         } else if ( nodeName === "input" || nodeName === "textarea" ) {
5679                 dest.defaultValue = src.defaultValue;
5680         }
5681 }
5682
5683 function domManip( collection, args, callback, ignored ) {
5684
5685         // Flatten any nested arrays
5686         args = concat.apply( [], args );
5687
5688         var fragment, first, scripts, hasScripts, node, doc,
5689                 i = 0,
5690                 l = collection.length,
5691                 iNoClone = l - 1,
5692                 value = args[ 0 ],
5693                 valueIsFunction = isFunction( value );
5694
5695         // We can't cloneNode fragments that contain checked, in WebKit
5696         if ( valueIsFunction ||
5697                         ( l > 1 && typeof value === "string" &&
5698                                 !support.checkClone && rchecked.test( value ) ) ) {
5699                 return collection.each( function( index ) {
5700                         var self = collection.eq( index );
5701                         if ( valueIsFunction ) {
5702                                 args[ 0 ] = value.call( this, index, self.html() );
5703                         }
5704                         domManip( self, args, callback, ignored );
5705                 } );
5706         }
5707
5708         if ( l ) {
5709                 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5710                 first = fragment.firstChild;
5711
5712                 if ( fragment.childNodes.length === 1 ) {
5713                         fragment = first;
5714                 }
5715
5716                 // Require either new content or an interest in ignored elements to invoke the callback
5717                 if ( first || ignored ) {
5718                         scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5719                         hasScripts = scripts.length;
5720
5721                         // Use the original fragment for the last item
5722                         // instead of the first because it can end up
5723                         // being emptied incorrectly in certain situations (#8070).
5724                         for ( ; i < l; i++ ) {
5725                                 node = fragment;
5726
5727                                 if ( i !== iNoClone ) {
5728                                         node = jQuery.clone( node, true, true );
5729
5730                                         // Keep references to cloned scripts for later restoration
5731                                         if ( hasScripts ) {
5732
5733                                                 // Support: Android <=4.0 only, PhantomJS 1 only
5734                                                 // push.apply(_, arraylike) throws on ancient WebKit
5735                                                 jQuery.merge( scripts, getAll( node, "script" ) );
5736                                         }
5737                                 }
5738
5739                                 callback.call( collection[ i ], node, i );
5740                         }
5741
5742                         if ( hasScripts ) {
5743                                 doc = scripts[ scripts.length - 1 ].ownerDocument;
5744
5745                                 // Reenable scripts
5746                                 jQuery.map( scripts, restoreScript );
5747
5748                                 // Evaluate executable scripts on first document insertion
5749                                 for ( i = 0; i < hasScripts; i++ ) {
5750                                         node = scripts[ i ];
5751                                         if ( rscriptType.test( node.type || "" ) &&
5752                                                 !dataPriv.access( node, "globalEval" ) &&
5753                                                 jQuery.contains( doc, node ) ) {
5754
5755                                                 if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
5756
5757                                                         // Optional AJAX dependency, but won't run scripts if not present
5758                                                         if ( jQuery._evalUrl ) {
5759                                                                 jQuery._evalUrl( node.src );
5760                                                         }
5761                                                 } else {
5762                                                         DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node );
5763                                                 }
5764                                         }
5765                                 }
5766                         }
5767                 }
5768         }
5769
5770         return collection;
5771 }
5772
5773 function remove( elem, selector, keepData ) {
5774         var node,
5775                 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5776                 i = 0;
5777
5778         for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5779                 if ( !keepData && node.nodeType === 1 ) {
5780                         jQuery.cleanData( getAll( node ) );
5781                 }
5782
5783                 if ( node.parentNode ) {
5784                         if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
5785                                 setGlobalEval( getAll( node, "script" ) );
5786                         }
5787                         node.parentNode.removeChild( node );
5788                 }
5789         }
5790
5791         return elem;
5792 }
5793
5794 jQuery.extend( {
5795         htmlPrefilter: function( html ) {
5796                 return html.replace( rxhtmlTag, "<$1></$2>" );
5797         },
5798
5799         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5800                 var i, l, srcElements, destElements,
5801                         clone = elem.cloneNode( true ),
5802                         inPage = jQuery.contains( elem.ownerDocument, elem );
5803
5804                 // Fix IE cloning issues
5805                 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5806                                 !jQuery.isXMLDoc( elem ) ) {
5807
5808                         // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5809                         destElements = getAll( clone );
5810                         srcElements = getAll( elem );
5811
5812                         for ( i = 0, l = srcElements.length; i < l; i++ ) {
5813                                 fixInput( srcElements[ i ], destElements[ i ] );
5814                         }
5815                 }
5816
5817                 // Copy the events from the original to the clone
5818                 if ( dataAndEvents ) {
5819                         if ( deepDataAndEvents ) {
5820                                 srcElements = srcElements || getAll( elem );
5821                                 destElements = destElements || getAll( clone );
5822
5823                                 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5824                                         cloneCopyEvent( srcElements[ i ], destElements[ i ] );
5825                                 }
5826                         } else {
5827                                 cloneCopyEvent( elem, clone );
5828                         }
5829                 }
5830
5831                 // Preserve script evaluation history
5832                 destElements = getAll( clone, "script" );
5833                 if ( destElements.length > 0 ) {
5834                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5835                 }
5836
5837                 // Return the cloned set
5838                 return clone;
5839         },
5840
5841         cleanData: function( elems ) {
5842                 var data, elem, type,
5843                         special = jQuery.event.special,
5844                         i = 0;
5845
5846                 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
5847                         if ( acceptData( elem ) ) {
5848                                 if ( ( data = elem[ dataPriv.expando ] ) ) {
5849                                         if ( data.events ) {
5850                                                 for ( type in data.events ) {
5851                                                         if ( special[ type ] ) {
5852                                                                 jQuery.event.remove( elem, type );
5853
5854                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
5855                                                         } else {
5856                                                                 jQuery.removeEvent( elem, type, data.handle );
5857                                                         }
5858                                                 }
5859                                         }
5860
5861                                         // Support: Chrome <=35 - 45+
5862                                         // Assign undefined instead of using delete, see Data#remove
5863                                         elem[ dataPriv.expando ] = undefined;
5864                                 }
5865                                 if ( elem[ dataUser.expando ] ) {
5866
5867                                         // Support: Chrome <=35 - 45+
5868                                         // Assign undefined instead of using delete, see Data#remove
5869                                         elem[ dataUser.expando ] = undefined;
5870                                 }
5871                         }
5872                 }
5873         }
5874 } );
5875
5876 jQuery.fn.extend( {
5877         detach: function( selector ) {
5878                 return remove( this, selector, true );
5879         },
5880
5881         remove: function( selector ) {
5882                 return remove( this, selector );
5883         },
5884
5885         text: function( value ) {
5886                 return access( this, function( value ) {
5887                         return value === undefined ?
5888                                 jQuery.text( this ) :
5889                                 this.empty().each( function() {
5890                                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5891                                                 this.textContent = value;
5892                                         }
5893                                 } );
5894                 }, null, value, arguments.length );
5895         },
5896
5897         append: function() {
5898                 return domManip( this, arguments, function( elem ) {
5899                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5900                                 var target = manipulationTarget( this, elem );
5901                                 target.appendChild( elem );
5902                         }
5903                 } );
5904         },
5905
5906         prepend: function() {
5907                 return domManip( this, arguments, function( elem ) {
5908                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5909                                 var target = manipulationTarget( this, elem );
5910                                 target.insertBefore( elem, target.firstChild );
5911                         }
5912                 } );
5913         },
5914
5915         before: function() {
5916                 return domManip( this, arguments, function( elem ) {
5917                         if ( this.parentNode ) {
5918                                 this.parentNode.insertBefore( elem, this );
5919                         }
5920                 } );
5921         },
5922
5923         after: function() {
5924                 return domManip( this, arguments, function( elem ) {
5925                         if ( this.parentNode ) {
5926                                 this.parentNode.insertBefore( elem, this.nextSibling );
5927                         }
5928                 } );
5929         },
5930
5931         empty: function() {
5932                 var elem,
5933                         i = 0;
5934
5935                 for ( ; ( elem = this[ i ] ) != null; i++ ) {
5936                         if ( elem.nodeType === 1 ) {
5937
5938                                 // Prevent memory leaks
5939                                 jQuery.cleanData( getAll( elem, false ) );
5940
5941                                 // Remove any remaining nodes
5942                                 elem.textContent = "";
5943                         }
5944                 }
5945
5946                 return this;
5947         },
5948
5949         clone: function( dataAndEvents, deepDataAndEvents ) {
5950                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5951                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5952
5953                 return this.map( function() {
5954                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5955                 } );
5956         },
5957
5958         html: function( value ) {
5959                 return access( this, function( value ) {
5960                         var elem = this[ 0 ] || {},
5961                                 i = 0,
5962                                 l = this.length;
5963
5964                         if ( value === undefined && elem.nodeType === 1 ) {
5965                                 return elem.innerHTML;
5966                         }
5967
5968                         // See if we can take a shortcut and just use innerHTML
5969                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5970                                 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
5971
5972                                 value = jQuery.htmlPrefilter( value );
5973
5974                                 try {
5975                                         for ( ; i < l; i++ ) {
5976                                                 elem = this[ i ] || {};
5977
5978                                                 // Remove element nodes and prevent memory leaks
5979                                                 if ( elem.nodeType === 1 ) {
5980                                                         jQuery.cleanData( getAll( elem, false ) );
5981                                                         elem.innerHTML = value;
5982                                                 }
5983                                         }
5984
5985                                         elem = 0;
5986
5987                                 // If using innerHTML throws an exception, use the fallback method
5988                                 } catch ( e ) {}
5989                         }
5990
5991                         if ( elem ) {
5992                                 this.empty().append( value );
5993                         }
5994                 }, null, value, arguments.length );
5995         },
5996
5997         replaceWith: function() {
5998                 var ignored = [];
5999
6000                 // Make the changes, replacing each non-ignored context element with the new content
6001                 return domManip( this, arguments, function( elem ) {
6002                         var parent = this.parentNode;
6003
6004                         if ( jQuery.inArray( this, ignored ) < 0 ) {
6005                                 jQuery.cleanData( getAll( this ) );
6006                                 if ( parent ) {
6007                                         parent.replaceChild( elem, this );
6008                                 }
6009                         }
6010
6011                 // Force callback invocation
6012                 }, ignored );
6013         }
6014 } );
6015
6016 jQuery.each( {
6017         appendTo: "append",
6018         prependTo: "prepend",
6019         insertBefore: "before",
6020         insertAfter: "after",
6021         replaceAll: "replaceWith"
6022 }, function( name, original ) {
6023         jQuery.fn[ name ] = function( selector ) {
6024                 var elems,
6025                         ret = [],
6026                         insert = jQuery( selector ),
6027                         last = insert.length - 1,
6028                         i = 0;
6029
6030                 for ( ; i <= last; i++ ) {
6031                         elems = i === last ? this : this.clone( true );
6032                         jQuery( insert[ i ] )[ original ]( elems );
6033
6034                         // Support: Android <=4.0 only, PhantomJS 1 only
6035                         // .get() because push.apply(_, arraylike) throws on ancient WebKit
6036                         push.apply( ret, elems.get() );
6037                 }
6038
6039                 return this.pushStack( ret );
6040         };
6041 } );
6042 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6043
6044 var getStyles = function( elem ) {
6045
6046                 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6047                 // IE throws on elements created in popups
6048                 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6049                 var view = elem.ownerDocument.defaultView;
6050
6051                 if ( !view || !view.opener ) {
6052                         view = window;
6053                 }
6054
6055                 return view.getComputedStyle( elem );
6056         };
6057
6058 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6059
6060
6061
6062 ( function() {
6063
6064         // Executing both pixelPosition & boxSizingReliable tests require only one layout
6065         // so they're executed at the same time to save the second computation.
6066         function computeStyleTests() {
6067
6068                 // This is a singleton, we need to execute it only once
6069                 if ( !div ) {
6070                         return;
6071                 }
6072
6073                 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6074                         "margin-top:1px;padding:0;border:0";
6075                 div.style.cssText =
6076                         "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6077                         "margin:auto;border:1px;padding:1px;" +
6078                         "width:60%;top:1%";
6079                 documentElement.appendChild( container ).appendChild( div );
6080
6081                 var divStyle = window.getComputedStyle( div );
6082                 pixelPositionVal = divStyle.top !== "1%";
6083
6084                 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6085                 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6086
6087                 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6088                 // Some styles come back with percentage values, even though they shouldn't
6089                 div.style.right = "60%";
6090                 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6091
6092                 // Support: IE 9 - 11 only
6093                 // Detect misreporting of content dimensions for box-sizing:border-box elements
6094                 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6095
6096                 // Support: IE 9 only
6097                 // Detect overflow:scroll screwiness (gh-3699)
6098                 div.style.position = "absolute";
6099                 scrollboxSizeVal = div.offsetWidth === 36 || "absolute";
6100
6101                 documentElement.removeChild( container );
6102
6103                 // Nullify the div so it wouldn't be stored in the memory and
6104                 // it will also be a sign that checks already performed
6105                 div = null;
6106         }
6107
6108         function roundPixelMeasures( measure ) {
6109                 return Math.round( parseFloat( measure ) );
6110         }
6111
6112         var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6113                 reliableMarginLeftVal,
6114                 container = document.createElement( "div" ),
6115                 div = document.createElement( "div" );
6116
6117         // Finish early in limited (non-browser) environments
6118         if ( !div.style ) {
6119                 return;
6120         }
6121
6122         // Support: IE <=9 - 11 only
6123         // Style of cloned element affects source element cloned (#8908)
6124         div.style.backgroundClip = "content-box";
6125         div.cloneNode( true ).style.backgroundClip = "";
6126         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6127
6128         jQuery.extend( support, {
6129                 boxSizingReliable: function() {
6130                         computeStyleTests();
6131                         return boxSizingReliableVal;
6132                 },
6133                 pixelBoxStyles: function() {
6134                         computeStyleTests();
6135                         return pixelBoxStylesVal;
6136                 },
6137                 pixelPosition: function() {
6138                         computeStyleTests();
6139                         return pixelPositionVal;
6140                 },
6141                 reliableMarginLeft: function() {
6142                         computeStyleTests();
6143                         return reliableMarginLeftVal;
6144                 },
6145                 scrollboxSize: function() {
6146                         computeStyleTests();
6147                         return scrollboxSizeVal;
6148                 }
6149         } );
6150 } )();
6151
6152
6153 function curCSS( elem, name, computed ) {
6154         var width, minWidth, maxWidth, ret,
6155
6156                 // Support: Firefox 51+
6157                 // Retrieving style before computed somehow
6158                 // fixes an issue with getting wrong values
6159                 // on detached elements
6160                 style = elem.style;
6161
6162         computed = computed || getStyles( elem );
6163
6164         // getPropertyValue is needed for:
6165         //   .css('filter') (IE 9 only, #12537)
6166         //   .css('--customProperty) (#3144)
6167         if ( computed ) {
6168                 ret = computed.getPropertyValue( name ) || computed[ name ];
6169
6170                 if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6171                         ret = jQuery.style( elem, name );
6172                 }
6173
6174                 // A tribute to the "awesome hack by Dean Edwards"
6175                 // Android Browser returns percentage for some values,
6176                 // but width seems to be reliably pixels.
6177                 // This is against the CSSOM draft spec:
6178                 // https://drafts.csswg.org/cssom/#resolved-values
6179                 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6180
6181                         // Remember the original values
6182                         width = style.width;
6183                         minWidth = style.minWidth;
6184                         maxWidth = style.maxWidth;
6185
6186                         // Put in the new values to get a computed value out
6187                         style.minWidth = style.maxWidth = style.width = ret;
6188                         ret = computed.width;
6189
6190                         // Revert the changed values
6191                         style.width = width;
6192                         style.minWidth = minWidth;
6193                         style.maxWidth = maxWidth;
6194                 }
6195         }
6196
6197         return ret !== undefined ?
6198
6199                 // Support: IE <=9 - 11 only
6200                 // IE returns zIndex value as an integer.
6201                 ret + "" :
6202                 ret;
6203 }
6204
6205
6206 function addGetHookIf( conditionFn, hookFn ) {
6207
6208         // Define the hook, we'll check on the first run if it's really needed.
6209         return {
6210                 get: function() {
6211                         if ( conditionFn() ) {
6212
6213                                 // Hook not needed (or it's not possible to use it due
6214                                 // to missing dependency), remove it.
6215                                 delete this.get;
6216                                 return;
6217                         }
6218
6219                         // Hook needed; redefine it so that the support test is not executed again.
6220                         return ( this.get = hookFn ).apply( this, arguments );
6221                 }
6222         };
6223 }
6224
6225
6226 var
6227
6228         // Swappable if display is none or starts with table
6229         // except "table", "table-cell", or "table-caption"
6230         // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6231         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6232         rcustomProp = /^--/,
6233         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6234         cssNormalTransform = {
6235                 letterSpacing: "0",
6236                 fontWeight: "400"
6237         },
6238
6239         cssPrefixes = [ "Webkit", "Moz", "ms" ],
6240         emptyStyle = document.createElement( "div" ).style;
6241
6242 // Return a css property mapped to a potentially vendor prefixed property
6243 function vendorPropName( name ) {
6244
6245         // Shortcut for names that are not vendor prefixed
6246         if ( name in emptyStyle ) {
6247                 return name;
6248         }
6249
6250         // Check for vendor prefixed names
6251         var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6252                 i = cssPrefixes.length;
6253
6254         while ( i-- ) {
6255                 name = cssPrefixes[ i ] + capName;
6256                 if ( name in emptyStyle ) {
6257                         return name;
6258                 }
6259         }
6260 }
6261
6262 // Return a property mapped along what jQuery.cssProps suggests or to
6263 // a vendor prefixed property.
6264 function finalPropName( name ) {
6265         var ret = jQuery.cssProps[ name ];
6266         if ( !ret ) {
6267                 ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name;
6268         }
6269         return ret;
6270 }
6271
6272 function setPositiveNumber( elem, value, subtract ) {
6273
6274         // Any relative (+/-) values have already been
6275         // normalized at this point
6276         var matches = rcssNum.exec( value );
6277         return matches ?
6278
6279                 // Guard against undefined "subtract", e.g., when used as in cssHooks
6280                 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6281                 value;
6282 }
6283
6284 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6285         var i = dimension === "width" ? 1 : 0,
6286                 extra = 0,
6287                 delta = 0;
6288
6289         // Adjustment may not be necessary
6290         if ( box === ( isBorderBox ? "border" : "content" ) ) {
6291                 return 0;
6292         }
6293
6294         for ( ; i < 4; i += 2 ) {
6295
6296                 // Both box models exclude margin
6297                 if ( box === "margin" ) {
6298                         delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6299                 }
6300
6301                 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6302                 if ( !isBorderBox ) {
6303
6304                         // Add padding
6305                         delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6306
6307                         // For "border" or "margin", add border
6308                         if ( box !== "padding" ) {
6309                                 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6310
6311                         // But still keep track of it otherwise
6312                         } else {
6313                                 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6314                         }
6315
6316                 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6317                 // "padding" or "margin"
6318                 } else {
6319
6320                         // For "content", subtract padding
6321                         if ( box === "content" ) {
6322                                 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6323                         }
6324
6325                         // For "content" or "padding", subtract border
6326                         if ( box !== "margin" ) {
6327                                 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6328                         }
6329                 }
6330         }
6331
6332         // Account for positive content-box scroll gutter when requested by providing computedVal
6333         if ( !isBorderBox && computedVal >= 0 ) {
6334
6335                 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6336                 // Assuming integer scroll gutter, subtract the rest and round down
6337                 delta += Math.max( 0, Math.ceil(
6338                         elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6339                         computedVal -
6340                         delta -
6341                         extra -
6342                         0.5
6343                 ) );
6344         }
6345
6346         return delta;
6347 }
6348
6349 function getWidthOrHeight( elem, dimension, extra ) {
6350
6351         // Start with computed style
6352         var styles = getStyles( elem ),
6353                 val = curCSS( elem, dimension, styles ),
6354                 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6355                 valueIsBorderBox = isBorderBox;
6356
6357         // Support: Firefox <=54
6358         // Return a confounding non-pixel value or feign ignorance, as appropriate.
6359         if ( rnumnonpx.test( val ) ) {
6360                 if ( !extra ) {
6361                         return val;
6362                 }
6363                 val = "auto";
6364         }
6365
6366         // Check for style in case a browser which returns unreliable values
6367         // for getComputedStyle silently falls back to the reliable elem.style
6368         valueIsBorderBox = valueIsBorderBox &&
6369                 ( support.boxSizingReliable() || val === elem.style[ dimension ] );
6370
6371         // Fall back to offsetWidth/offsetHeight when value is "auto"
6372         // This happens for inline elements with no explicit setting (gh-3571)
6373         // Support: Android <=4.1 - 4.3 only
6374         // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6375         if ( val === "auto" ||
6376                 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) {
6377
6378                 val = elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ];
6379
6380                 // offsetWidth/offsetHeight provide border-box values
6381                 valueIsBorderBox = true;
6382         }
6383
6384         // Normalize "" and auto
6385         val = parseFloat( val ) || 0;
6386
6387         // Adjust for the element's box model
6388         return ( val +
6389                 boxModelAdjustment(
6390                         elem,
6391                         dimension,
6392                         extra || ( isBorderBox ? "border" : "content" ),
6393                         valueIsBorderBox,
6394                         styles,
6395
6396                         // Provide the current computed size to request scroll gutter calculation (gh-3589)
6397                         val
6398                 )
6399         ) + "px";
6400 }
6401
6402 jQuery.extend( {
6403
6404         // Add in style property hooks for overriding the default
6405         // behavior of getting and setting a style property
6406         cssHooks: {
6407                 opacity: {
6408                         get: function( elem, computed ) {
6409                                 if ( computed ) {
6410
6411                                         // We should always get a number back from opacity
6412                                         var ret = curCSS( elem, "opacity" );
6413                                         return ret === "" ? "1" : ret;
6414                                 }
6415                         }
6416                 }
6417         },
6418
6419         // Don't automatically add "px" to these possibly-unitless properties
6420         cssNumber: {
6421                 "animationIterationCount": true,
6422                 "columnCount": true,
6423                 "fillOpacity": true,
6424                 "flexGrow": true,
6425                 "flexShrink": true,
6426                 "fontWeight": true,
6427                 "lineHeight": true,
6428                 "opacity": true,
6429                 "order": true,
6430                 "orphans": true,
6431                 "widows": true,
6432                 "zIndex": true,
6433                 "zoom": true
6434         },
6435
6436         // Add in properties whose names you wish to fix before
6437         // setting or getting the value
6438         cssProps: {},
6439
6440         // Get and set the style property on a DOM Node
6441         style: function( elem, name, value, extra ) {
6442
6443                 // Don't set styles on text and comment nodes
6444                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6445                         return;
6446                 }
6447
6448                 // Make sure that we're working with the right name
6449                 var ret, type, hooks,
6450                         origName = camelCase( name ),
6451                         isCustomProp = rcustomProp.test( name ),
6452                         style = elem.style;
6453
6454                 // Make sure that we're working with the right name. We don't
6455                 // want to query the value if it is a CSS custom property
6456                 // since they are user-defined.
6457                 if ( !isCustomProp ) {
6458                         name = finalPropName( origName );
6459                 }
6460
6461                 // Gets hook for the prefixed version, then unprefixed version
6462                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6463
6464                 // Check if we're setting a value
6465                 if ( value !== undefined ) {
6466                         type = typeof value;
6467
6468                         // Convert "+=" or "-=" to relative numbers (#7345)
6469                         if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6470                                 value = adjustCSS( elem, name, ret );
6471
6472                                 // Fixes bug #9237
6473                                 type = "number";
6474                         }
6475
6476                         // Make sure that null and NaN values aren't set (#7116)
6477                         if ( value == null || value !== value ) {
6478                                 return;
6479                         }
6480
6481                         // If a number was passed in, add the unit (except for certain CSS properties)
6482                         if ( type === "number" ) {
6483                                 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6484                         }
6485
6486                         // background-* props affect original clone's values
6487                         if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6488                                 style[ name ] = "inherit";
6489                         }
6490
6491                         // If a hook was provided, use that value, otherwise just set the specified value
6492                         if ( !hooks || !( "set" in hooks ) ||
6493                                 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6494
6495                                 if ( isCustomProp ) {
6496                                         style.setProperty( name, value );
6497                                 } else {
6498                                         style[ name ] = value;
6499                                 }
6500                         }
6501
6502                 } else {
6503
6504                         // If a hook was provided get the non-computed value from there
6505                         if ( hooks && "get" in hooks &&
6506                                 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6507
6508                                 return ret;
6509                         }
6510
6511                         // Otherwise just get the value from the style object
6512                         return style[ name ];
6513                 }
6514         },
6515
6516         css: function( elem, name, extra, styles ) {
6517                 var val, num, hooks,
6518                         origName = camelCase( name ),
6519                         isCustomProp = rcustomProp.test( name );
6520
6521                 // Make sure that we're working with the right name. We don't
6522                 // want to modify the value if it is a CSS custom property
6523                 // since they are user-defined.
6524                 if ( !isCustomProp ) {
6525                         name = finalPropName( origName );
6526                 }
6527
6528                 // Try prefixed name followed by the unprefixed name
6529                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6530
6531                 // If a hook was provided get the computed value from there
6532                 if ( hooks && "get" in hooks ) {
6533                         val = hooks.get( elem, true, extra );
6534                 }
6535
6536                 // Otherwise, if a way to get the computed value exists, use that
6537                 if ( val === undefined ) {
6538                         val = curCSS( elem, name, styles );
6539                 }
6540
6541                 // Convert "normal" to computed value
6542                 if ( val === "normal" && name in cssNormalTransform ) {
6543                         val = cssNormalTransform[ name ];
6544                 }
6545
6546                 // Make numeric if forced or a qualifier was provided and val looks numeric
6547                 if ( extra === "" || extra ) {
6548                         num = parseFloat( val );
6549                         return extra === true || isFinite( num ) ? num || 0 : val;
6550                 }
6551
6552                 return val;
6553         }
6554 } );
6555
6556 jQuery.each( [ "height", "width" ], function( i, dimension ) {
6557         jQuery.cssHooks[ dimension ] = {
6558                 get: function( elem, computed, extra ) {
6559                         if ( computed ) {
6560
6561                                 // Certain elements can have dimension info if we invisibly show them
6562                                 // but it must have a current display style that would benefit
6563                                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6564
6565                                         // Support: Safari 8+
6566                                         // Table columns in Safari have non-zero offsetWidth & zero
6567                                         // getBoundingClientRect().width unless display is changed.
6568                                         // Support: IE <=11 only
6569                                         // Running getBoundingClientRect on a disconnected node
6570                                         // in IE throws an error.
6571                                         ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6572                                                 swap( elem, cssShow, function() {
6573                                                         return getWidthOrHeight( elem, dimension, extra );
6574                                                 } ) :
6575                                                 getWidthOrHeight( elem, dimension, extra );
6576                         }
6577                 },
6578
6579                 set: function( elem, value, extra ) {
6580                         var matches,
6581                                 styles = getStyles( elem ),
6582                                 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6583                                 subtract = extra && boxModelAdjustment(
6584                                         elem,
6585                                         dimension,
6586                                         extra,
6587                                         isBorderBox,
6588                                         styles
6589                                 );
6590
6591                         // Account for unreliable border-box dimensions by comparing offset* to computed and
6592                         // faking a content-box to get border and padding (gh-3699)
6593                         if ( isBorderBox && support.scrollboxSize() === styles.position ) {
6594                                 subtract -= Math.ceil(
6595                                         elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6596                                         parseFloat( styles[ dimension ] ) -
6597                                         boxModelAdjustment( elem, dimension, "border", false, styles ) -
6598                                         0.5
6599                                 );
6600                         }
6601
6602                         // Convert to pixels if value adjustment is needed
6603                         if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6604                                 ( matches[ 3 ] || "px" ) !== "px" ) {
6605
6606                                 elem.style[ dimension ] = value;
6607                                 value = jQuery.css( elem, dimension );
6608                         }
6609
6610                         return setPositiveNumber( elem, value, subtract );
6611                 }
6612         };
6613 } );
6614
6615 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6616         function( elem, computed ) {
6617                 if ( computed ) {
6618                         return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6619                                 elem.getBoundingClientRect().left -
6620                                         swap( elem, { marginLeft: 0 }, function() {
6621                                                 return elem.getBoundingClientRect().left;
6622                                         } )
6623                                 ) + "px";
6624                 }
6625         }
6626 );
6627
6628 // These hooks are used by animate to expand properties
6629 jQuery.each( {
6630         margin: "",
6631         padding: "",
6632         border: "Width"
6633 }, function( prefix, suffix ) {
6634         jQuery.cssHooks[ prefix + suffix ] = {
6635                 expand: function( value ) {
6636                         var i = 0,
6637                                 expanded = {},
6638
6639                                 // Assumes a single number if not a string
6640                                 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6641
6642                         for ( ; i < 4; i++ ) {
6643                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
6644                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6645                         }
6646
6647                         return expanded;
6648                 }
6649         };
6650
6651         if ( prefix !== "margin" ) {
6652                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6653         }
6654 } );
6655
6656 jQuery.fn.extend( {
6657         css: function( name, value ) {
6658                 return access( this, function( elem, name, value ) {
6659                         var styles, len,
6660                                 map = {},
6661                                 i = 0;
6662
6663                         if ( Array.isArray( name ) ) {
6664                                 styles = getStyles( elem );
6665                                 len = name.length;
6666
6667                                 for ( ; i < len; i++ ) {
6668                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6669                                 }
6670
6671                                 return map;
6672                         }
6673
6674                         return value !== undefined ?
6675                                 jQuery.style( elem, name, value ) :
6676                                 jQuery.css( elem, name );
6677                 }, name, value, arguments.length > 1 );
6678         }
6679 } );
6680
6681
6682 // Based off of the plugin by Clint Helfers, with permission.
6683 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
6684 jQuery.fn.delay = function( time, type ) {
6685         time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
6686         type = type || "fx";
6687
6688         return this.queue( type, function( next, hooks ) {
6689                 var timeout = window.setTimeout( next, time );
6690                 hooks.stop = function() {
6691                         window.clearTimeout( timeout );
6692                 };
6693         } );
6694 };
6695
6696
6697 ( function() {
6698         var input = document.createElement( "input" ),
6699                 select = document.createElement( "select" ),
6700                 opt = select.appendChild( document.createElement( "option" ) );
6701
6702         input.type = "checkbox";
6703
6704         // Support: Android <=4.3 only
6705         // Default value for a checkbox should be "on"
6706         support.checkOn = input.value !== "";
6707
6708         // Support: IE <=11 only
6709         // Must access selectedIndex to make default options select
6710         support.optSelected = opt.selected;
6711
6712         // Support: IE <=11 only
6713         // An input loses its value after becoming a radio
6714         input = document.createElement( "input" );
6715         input.value = "t";
6716         input.type = "radio";
6717         support.radioValue = input.value === "t";
6718 } )();
6719
6720
6721 var boolHook,
6722         attrHandle = jQuery.expr.attrHandle;
6723
6724 jQuery.fn.extend( {
6725         attr: function( name, value ) {
6726                 return access( this, jQuery.attr, name, value, arguments.length > 1 );
6727         },
6728
6729         removeAttr: function( name ) {
6730                 return this.each( function() {
6731                         jQuery.removeAttr( this, name );
6732                 } );
6733         }
6734 } );
6735
6736 jQuery.extend( {
6737         attr: function( elem, name, value ) {
6738                 var ret, hooks,
6739                         nType = elem.nodeType;
6740
6741                 // Don't get/set attributes on text, comment and attribute nodes
6742                 if ( nType === 3 || nType === 8 || nType === 2 ) {
6743                         return;
6744                 }
6745
6746                 // Fallback to prop when attributes are not supported
6747                 if ( typeof elem.getAttribute === "undefined" ) {
6748                         return jQuery.prop( elem, name, value );
6749                 }
6750
6751                 // Attribute hooks are determined by the lowercase version
6752                 // Grab necessary hook if one is defined
6753                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
6754                         hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
6755                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
6756                 }
6757
6758                 if ( value !== undefined ) {
6759                         if ( value === null ) {
6760                                 jQuery.removeAttr( elem, name );
6761                                 return;
6762                         }
6763
6764                         if ( hooks && "set" in hooks &&
6765                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
6766                                 return ret;
6767                         }
6768
6769                         elem.setAttribute( name, value + "" );
6770                         return value;
6771                 }
6772
6773                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
6774                         return ret;
6775                 }
6776
6777                 ret = jQuery.find.attr( elem, name );
6778
6779                 // Non-existent attributes return null, we normalize to undefined
6780                 return ret == null ? undefined : ret;
6781         },
6782
6783         attrHooks: {
6784                 type: {
6785                         set: function( elem, value ) {
6786                                 if ( !support.radioValue && value === "radio" &&
6787                                         nodeName( elem, "input" ) ) {
6788                                         var val = elem.value;
6789                                         elem.setAttribute( "type", value );
6790                                         if ( val ) {
6791                                                 elem.value = val;
6792                                         }
6793                                         return value;
6794                                 }
6795                         }
6796                 }
6797         },
6798
6799         removeAttr: function( elem, value ) {
6800                 var name,
6801                         i = 0,
6802
6803                         // Attribute names can contain non-HTML whitespace characters
6804                         // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
6805                         attrNames = value && value.match( rnothtmlwhite );
6806
6807                 if ( attrNames && elem.nodeType === 1 ) {
6808                         while ( ( name = attrNames[ i++ ] ) ) {
6809                                 elem.removeAttribute( name );
6810                         }
6811                 }
6812         }
6813 } );
6814
6815 // Hooks for boolean attributes
6816 boolHook = {
6817         set: function( elem, value, name ) {
6818                 if ( value === false ) {
6819
6820                         // Remove boolean attributes when set to false
6821                         jQuery.removeAttr( elem, name );
6822                 } else {
6823                         elem.setAttribute( name, name );
6824                 }
6825                 return name;
6826         }
6827 };
6828
6829 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
6830         var getter = attrHandle[ name ] || jQuery.find.attr;
6831
6832         attrHandle[ name ] = function( elem, name, isXML ) {
6833                 var ret, handle,
6834                         lowercaseName = name.toLowerCase();
6835
6836                 if ( !isXML ) {
6837
6838                         // Avoid an infinite loop by temporarily removing this function from the getter
6839                         handle = attrHandle[ lowercaseName ];
6840                         attrHandle[ lowercaseName ] = ret;
6841                         ret = getter( elem, name, isXML ) != null ?
6842                                 lowercaseName :
6843                                 null;
6844                         attrHandle[ lowercaseName ] = handle;
6845                 }
6846                 return ret;
6847         };
6848 } );
6849
6850
6851
6852
6853 var rfocusable = /^(?:input|select|textarea|button)$/i,
6854         rclickable = /^(?:a|area)$/i;
6855
6856 jQuery.fn.extend( {
6857         prop: function( name, value ) {
6858                 return access( this, jQuery.prop, name, value, arguments.length > 1 );
6859         },
6860
6861         removeProp: function( name ) {
6862                 return this.each( function() {
6863                         delete this[ jQuery.propFix[ name ] || name ];
6864                 } );
6865         }
6866 } );
6867
6868 jQuery.extend( {
6869         prop: function( elem, name, value ) {
6870                 var ret, hooks,
6871                         nType = elem.nodeType;
6872
6873                 // Don't get/set properties on text, comment and attribute nodes
6874                 if ( nType === 3 || nType === 8 || nType === 2 ) {
6875                         return;
6876                 }
6877
6878                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
6879
6880                         // Fix name and attach hooks
6881                         name = jQuery.propFix[ name ] || name;
6882                         hooks = jQuery.propHooks[ name ];
6883                 }
6884
6885                 if ( value !== undefined ) {
6886                         if ( hooks && "set" in hooks &&
6887                                 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
6888                                 return ret;
6889                         }
6890
6891                         return ( elem[ name ] = value );
6892                 }
6893
6894                 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
6895                         return ret;
6896                 }
6897
6898                 return elem[ name ];
6899         },
6900
6901         propHooks: {
6902                 tabIndex: {
6903                         get: function( elem ) {
6904
6905                                 // Support: IE <=9 - 11 only
6906                                 // elem.tabIndex doesn't always return the
6907                                 // correct value when it hasn't been explicitly set
6908                                 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
6909                                 // Use proper attribute retrieval(#12072)
6910                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
6911
6912                                 if ( tabindex ) {
6913                                         return parseInt( tabindex, 10 );
6914                                 }
6915
6916                                 if (
6917                                         rfocusable.test( elem.nodeName ) ||
6918                                         rclickable.test( elem.nodeName ) &&
6919                                         elem.href
6920                                 ) {
6921                                         return 0;
6922                                 }
6923
6924                                 return -1;
6925                         }
6926                 }
6927         },
6928
6929         propFix: {
6930                 "for": "htmlFor",
6931                 "class": "className"
6932         }
6933 } );
6934
6935 // Support: IE <=11 only
6936 // Accessing the selectedIndex property
6937 // forces the browser to respect setting selected
6938 // on the option
6939 // The getter ensures a default option is selected
6940 // when in an optgroup
6941 // eslint rule "no-unused-expressions" is disabled for this code
6942 // since it considers such accessions noop
6943 if ( !support.optSelected ) {
6944         jQuery.propHooks.selected = {
6945                 get: function( elem ) {
6946
6947                         /* eslint no-unused-expressions: "off" */
6948
6949                         var parent = elem.parentNode;
6950                         if ( parent && parent.parentNode ) {
6951                                 parent.parentNode.selectedIndex;
6952                         }
6953                         return null;
6954                 },
6955                 set: function( elem ) {
6956
6957                         /* eslint no-unused-expressions: "off" */
6958
6959                         var parent = elem.parentNode;
6960                         if ( parent ) {
6961                                 parent.selectedIndex;
6962
6963                                 if ( parent.parentNode ) {
6964                                         parent.parentNode.selectedIndex;
6965                                 }
6966                         }
6967                 }
6968         };
6969 }
6970
6971 jQuery.each( [
6972         "tabIndex",
6973         "readOnly",
6974         "maxLength",
6975         "cellSpacing",
6976         "cellPadding",
6977         "rowSpan",
6978         "colSpan",
6979         "useMap",
6980         "frameBorder",
6981         "contentEditable"
6982 ], function() {
6983         jQuery.propFix[ this.toLowerCase() ] = this;
6984 } );
6985
6986
6987
6988
6989         // Strip and collapse whitespace according to HTML spec
6990         // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
6991         function stripAndCollapse( value ) {
6992                 var tokens = value.match( rnothtmlwhite ) || [];
6993                 return tokens.join( " " );
6994         }
6995
6996
6997 function getClass( elem ) {
6998         return elem.getAttribute && elem.getAttribute( "class" ) || "";
6999 }
7000
7001 function classesToArray( value ) {
7002         if ( Array.isArray( value ) ) {
7003                 return value;
7004         }
7005         if ( typeof value === "string" ) {
7006                 return value.match( rnothtmlwhite ) || [];
7007         }
7008         return [];
7009 }
7010
7011 jQuery.fn.extend( {
7012         addClass: function( value ) {
7013                 var classes, elem, cur, curValue, clazz, j, finalValue,
7014                         i = 0;
7015
7016                 if ( isFunction( value ) ) {
7017                         return this.each( function( j ) {
7018                                 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7019                         } );
7020                 }
7021
7022                 classes = classesToArray( value );
7023
7024                 if ( classes.length ) {
7025                         while ( ( elem = this[ i++ ] ) ) {
7026                                 curValue = getClass( elem );
7027                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7028
7029                                 if ( cur ) {
7030                                         j = 0;
7031                                         while ( ( clazz = classes[ j++ ] ) ) {
7032                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7033                                                         cur += clazz + " ";
7034                                                 }
7035                                         }
7036
7037                                         // Only assign if different to avoid unneeded rendering.
7038                                         finalValue = stripAndCollapse( cur );
7039                                         if ( curValue !== finalValue ) {
7040                                                 elem.setAttribute( "class", finalValue );
7041                                         }
7042                                 }
7043                         }
7044                 }
7045
7046                 return this;
7047         },
7048
7049         removeClass: function( value ) {
7050                 var classes, elem, cur, curValue, clazz, j, finalValue,
7051                         i = 0;
7052
7053                 if ( isFunction( value ) ) {
7054                         return this.each( function( j ) {
7055                                 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7056                         } );
7057                 }
7058
7059                 if ( !arguments.length ) {
7060                         return this.attr( "class", "" );
7061                 }
7062
7063                 classes = classesToArray( value );
7064
7065                 if ( classes.length ) {
7066                         while ( ( elem = this[ i++ ] ) ) {
7067                                 curValue = getClass( elem );
7068
7069                                 // This expression is here for better compressibility (see addClass)
7070                                 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7071
7072                                 if ( cur ) {
7073                                         j = 0;
7074                                         while ( ( clazz = classes[ j++ ] ) ) {
7075
7076                                                 // Remove *all* instances
7077                                                 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7078                                                         cur = cur.replace( " " + clazz + " ", " " );
7079                                                 }
7080                                         }
7081
7082                                         // Only assign if different to avoid unneeded rendering.
7083                                         finalValue = stripAndCollapse( cur );
7084                                         if ( curValue !== finalValue ) {
7085                                                 elem.setAttribute( "class", finalValue );
7086                                         }
7087                                 }
7088                         }
7089                 }
7090
7091                 return this;
7092         },
7093
7094         toggleClass: function( value, stateVal ) {
7095                 var type = typeof value,
7096                         isValidValue = type === "string" || Array.isArray( value );
7097
7098                 if ( typeof stateVal === "boolean" && isValidValue ) {
7099                         return stateVal ? this.addClass( value ) : this.removeClass( value );
7100                 }
7101
7102                 if ( isFunction( value ) ) {
7103                         return this.each( function( i ) {
7104                                 jQuery( this ).toggleClass(
7105                                         value.call( this, i, getClass( this ), stateVal ),
7106                                         stateVal
7107                                 );
7108                         } );
7109                 }
7110
7111                 return this.each( function() {
7112                         var className, i, self, classNames;
7113
7114                         if ( isValidValue ) {
7115
7116                                 // Toggle individual class names
7117                                 i = 0;
7118                                 self = jQuery( this );
7119                                 classNames = classesToArray( value );
7120
7121                                 while ( ( className = classNames[ i++ ] ) ) {
7122
7123                                         // Check each className given, space separated list
7124                                         if ( self.hasClass( className ) ) {
7125                                                 self.removeClass( className );
7126                                         } else {
7127                                                 self.addClass( className );
7128                                         }
7129                                 }
7130
7131                         // Toggle whole class name
7132                         } else if ( value === undefined || type === "boolean" ) {
7133                                 className = getClass( this );
7134                                 if ( className ) {
7135
7136                                         // Store className if set
7137                                         dataPriv.set( this, "__className__", className );
7138                                 }
7139
7140                                 // If the element has a class name or if we're passed `false`,
7141                                 // then remove the whole classname (if there was one, the above saved it).
7142                                 // Otherwise bring back whatever was previously saved (if anything),
7143                                 // falling back to the empty string if nothing was stored.
7144                                 if ( this.setAttribute ) {
7145                                         this.setAttribute( "class",
7146                                                 className || value === false ?
7147                                                 "" :
7148                                                 dataPriv.get( this, "__className__" ) || ""
7149                                         );
7150                                 }
7151                         }
7152                 } );
7153         },
7154
7155         hasClass: function( selector ) {
7156                 var className, elem,
7157                         i = 0;
7158
7159                 className = " " + selector + " ";
7160                 while ( ( elem = this[ i++ ] ) ) {
7161                         if ( elem.nodeType === 1 &&
7162                                 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
7163                                         return true;
7164                         }
7165                 }
7166
7167                 return false;
7168         }
7169 } );
7170
7171
7172
7173
7174 var rreturn = /\r/g;
7175
7176 jQuery.fn.extend( {
7177         val: function( value ) {
7178                 var hooks, ret, valueIsFunction,
7179                         elem = this[ 0 ];
7180
7181                 if ( !arguments.length ) {
7182                         if ( elem ) {
7183                                 hooks = jQuery.valHooks[ elem.type ] ||
7184                                         jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7185
7186                                 if ( hooks &&
7187                                         "get" in hooks &&
7188                                         ( ret = hooks.get( elem, "value" ) ) !== undefined
7189                                 ) {
7190                                         return ret;
7191                                 }
7192
7193                                 ret = elem.value;
7194
7195                                 // Handle most common string cases
7196                                 if ( typeof ret === "string" ) {
7197                                         return ret.replace( rreturn, "" );
7198                                 }
7199
7200                                 // Handle cases where value is null/undef or number
7201                                 return ret == null ? "" : ret;
7202                         }
7203
7204                         return;
7205                 }
7206
7207                 valueIsFunction = isFunction( value );
7208
7209                 return this.each( function( i ) {
7210                         var val;
7211
7212                         if ( this.nodeType !== 1 ) {
7213                                 return;
7214                         }
7215
7216                         if ( valueIsFunction ) {
7217                                 val = value.call( this, i, jQuery( this ).val() );
7218                         } else {
7219                                 val = value;
7220                         }
7221
7222                         // Treat null/undefined as ""; convert numbers to string
7223                         if ( val == null ) {
7224                                 val = "";
7225
7226                         } else if ( typeof val === "number" ) {
7227                                 val += "";
7228
7229                         } else if ( Array.isArray( val ) ) {
7230                                 val = jQuery.map( val, function( value ) {
7231                                         return value == null ? "" : value + "";
7232                                 } );
7233                         }
7234
7235                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7236
7237                         // If set returns undefined, fall back to normal setting
7238                         if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
7239                                 this.value = val;
7240                         }
7241                 } );
7242         }
7243 } );
7244
7245 jQuery.extend( {
7246         valHooks: {
7247                 option: {
7248                         get: function( elem ) {
7249
7250                                 var val = jQuery.find.attr( elem, "value" );
7251                                 return val != null ?
7252                                         val :
7253
7254                                         // Support: IE <=10 - 11 only
7255                                         // option.text throws exceptions (#14686, #14858)
7256                                         // Strip and collapse whitespace
7257                                         // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
7258                                         stripAndCollapse( jQuery.text( elem ) );
7259                         }
7260                 },
7261                 select: {
7262                         get: function( elem ) {
7263                                 var value, option, i,
7264                                         options = elem.options,
7265                                         index = elem.selectedIndex,
7266                                         one = elem.type === "select-one",
7267                                         values = one ? null : [],
7268                                         max = one ? index + 1 : options.length;
7269
7270                                 if ( index < 0 ) {
7271                                         i = max;
7272
7273                                 } else {
7274                                         i = one ? index : 0;
7275                                 }
7276
7277                                 // Loop through all the selected options
7278                                 for ( ; i < max; i++ ) {
7279                                         option = options[ i ];
7280
7281                                         // Support: IE <=9 only
7282                                         // IE8-9 doesn't update selected after form reset (#2551)
7283                                         if ( ( option.selected || i === index ) &&
7284
7285                                                         // Don't return options that are disabled or in a disabled optgroup
7286                                                         !option.disabled &&
7287                                                         ( !option.parentNode.disabled ||
7288                                                                 !nodeName( option.parentNode, "optgroup" ) ) ) {
7289
7290                                                 // Get the specific value for the option
7291                                                 value = jQuery( option ).val();
7292
7293                                                 // We don't need an array for one selects
7294                                                 if ( one ) {
7295                                                         return value;
7296                                                 }
7297
7298                                                 // Multi-Selects return an array
7299                                                 values.push( value );
7300                                         }
7301                                 }
7302
7303                                 return values;
7304                         },
7305
7306                         set: function( elem, value ) {
7307                                 var optionSet, option,
7308                                         options = elem.options,
7309                                         values = jQuery.makeArray( value ),
7310                                         i = options.length;
7311
7312                                 while ( i-- ) {
7313                                         option = options[ i ];
7314
7315                                         /* eslint-disable no-cond-assign */
7316
7317                                         if ( option.selected =
7318                                                 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
7319                                         ) {
7320                                                 optionSet = true;
7321                                         }
7322
7323                                         /* eslint-enable no-cond-assign */
7324                                 }
7325
7326                                 // Force browsers to behave consistently when non-matching value is set
7327                                 if ( !optionSet ) {
7328                                         elem.selectedIndex = -1;
7329                                 }
7330                                 return values;
7331                         }
7332                 }
7333         }
7334 } );
7335
7336 // Radios and checkboxes getter/setter
7337 jQuery.each( [ "radio", "checkbox" ], function() {
7338         jQuery.valHooks[ this ] = {
7339                 set: function( elem, value ) {
7340                         if ( Array.isArray( value ) ) {
7341                                 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
7342                         }
7343                 }
7344         };
7345         if ( !support.checkOn ) {
7346                 jQuery.valHooks[ this ].get = function( elem ) {
7347                         return elem.getAttribute( "value" ) === null ? "on" : elem.value;
7348                 };
7349         }
7350 } );
7351
7352
7353
7354
7355 // Return jQuery for attributes-only inclusion
7356
7357
7358 support.focusin = "onfocusin" in window;
7359
7360
7361 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
7362         stopPropagationCallback = function( e ) {
7363                 e.stopPropagation();
7364         };
7365
7366 jQuery.extend( jQuery.event, {
7367
7368         trigger: function( event, data, elem, onlyHandlers ) {
7369
7370                 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
7371                         eventPath = [ elem || document ],
7372                         type = hasOwn.call( event, "type" ) ? event.type : event,
7373                         namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
7374
7375                 cur = lastElement = tmp = elem = elem || document;
7376
7377                 // Don't do events on text and comment nodes
7378                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
7379                         return;
7380                 }
7381
7382                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
7383                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
7384                         return;
7385                 }
7386
7387                 if ( type.indexOf( "." ) > -1 ) {
7388
7389                         // Namespaced trigger; create a regexp to match event type in handle()
7390                         namespaces = type.split( "." );
7391                         type = namespaces.shift();
7392                         namespaces.sort();
7393                 }
7394                 ontype = type.indexOf( ":" ) < 0 && "on" + type;
7395
7396                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
7397                 event = event[ jQuery.expando ] ?
7398                         event :
7399                         new jQuery.Event( type, typeof event === "object" && event );
7400
7401                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
7402                 event.isTrigger = onlyHandlers ? 2 : 3;
7403                 event.namespace = namespaces.join( "." );
7404                 event.rnamespace = event.namespace ?
7405                         new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
7406                         null;
7407
7408                 // Clean up the event in case it is being reused
7409                 event.result = undefined;
7410                 if ( !event.target ) {
7411                         event.target = elem;
7412                 }
7413
7414                 // Clone any incoming data and prepend the event, creating the handler arg list
7415                 data = data == null ?
7416                         [ event ] :
7417                         jQuery.makeArray( data, [ event ] );
7418
7419                 // Allow special events to draw outside the lines
7420                 special = jQuery.event.special[ type ] || {};
7421                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
7422                         return;
7423                 }
7424
7425                 // Determine event propagation path in advance, per W3C events spec (#9951)
7426                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
7427                 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
7428
7429                         bubbleType = special.delegateType || type;
7430                         if ( !rfocusMorph.test( bubbleType + type ) ) {
7431                                 cur = cur.parentNode;
7432                         }
7433                         for ( ; cur; cur = cur.parentNode ) {
7434                                 eventPath.push( cur );
7435                                 tmp = cur;
7436                         }
7437
7438                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
7439                         if ( tmp === ( elem.ownerDocument || document ) ) {
7440                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
7441                         }
7442                 }
7443
7444                 // Fire handlers on the event path
7445                 i = 0;
7446                 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
7447                         lastElement = cur;
7448                         event.type = i > 1 ?
7449                                 bubbleType :
7450                                 special.bindType || type;
7451
7452                         // jQuery handler
7453                         handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
7454                                 dataPriv.get( cur, "handle" );
7455                         if ( handle ) {
7456                                 handle.apply( cur, data );
7457                         }
7458
7459                         // Native handler
7460                         handle = ontype && cur[ ontype ];
7461                         if ( handle && handle.apply && acceptData( cur ) ) {
7462                                 event.result = handle.apply( cur, data );
7463                                 if ( event.result === false ) {
7464                                         event.preventDefault();
7465                                 }
7466                         }
7467                 }
7468                 event.type = type;
7469
7470                 // If nobody prevented the default action, do it now
7471                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
7472
7473                         if ( ( !special._default ||
7474                                 special._default.apply( eventPath.pop(), data ) === false ) &&
7475                                 acceptData( elem ) ) {
7476
7477                                 // Call a native DOM method on the target with the same name as the event.
7478                                 // Don't do default actions on window, that's where global variables be (#6170)
7479                                 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
7480
7481                                         // Don't re-trigger an onFOO event when we call its FOO() method
7482                                         tmp = elem[ ontype ];
7483
7484                                         if ( tmp ) {
7485                                                 elem[ ontype ] = null;
7486                                         }
7487
7488                                         // Prevent re-triggering of the same event, since we already bubbled it above
7489                                         jQuery.event.triggered = type;
7490
7491                                         if ( event.isPropagationStopped() ) {
7492                                                 lastElement.addEventListener( type, stopPropagationCallback );
7493                                         }
7494
7495                                         elem[ type ]();
7496
7497                                         if ( event.isPropagationStopped() ) {
7498                                                 lastElement.removeEventListener( type, stopPropagationCallback );
7499                                         }
7500
7501                                         jQuery.event.triggered = undefined;
7502
7503                                         if ( tmp ) {
7504                                                 elem[ ontype ] = tmp;
7505                                         }
7506                                 }
7507                         }
7508                 }
7509
7510                 return event.result;
7511         },
7512
7513         // Piggyback on a donor event to simulate a different one
7514         // Used only for `focus(in | out)` events
7515         simulate: function( type, elem, event ) {
7516                 var e = jQuery.extend(
7517                         new jQuery.Event(),
7518                         event,
7519                         {
7520                                 type: type,
7521                                 isSimulated: true
7522                         }
7523                 );
7524
7525                 jQuery.event.trigger( e, null, elem );
7526         }
7527
7528 } );
7529
7530 jQuery.fn.extend( {
7531
7532         trigger: function( type, data ) {
7533                 return this.each( function() {
7534                         jQuery.event.trigger( type, data, this );
7535                 } );
7536         },
7537         triggerHandler: function( type, data ) {
7538                 var elem = this[ 0 ];
7539                 if ( elem ) {
7540                         return jQuery.event.trigger( type, data, elem, true );
7541                 }
7542         }
7543 } );
7544
7545
7546 // Support: Firefox <=44
7547 // Firefox doesn't have focus(in | out) events
7548 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
7549 //
7550 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
7551 // focus(in | out) events fire after focus & blur events,
7552 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
7553 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
7554 if ( !support.focusin ) {
7555         jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
7556
7557                 // Attach a single capturing handler on the document while someone wants focusin/focusout
7558                 var handler = function( event ) {
7559                         jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
7560                 };
7561
7562                 jQuery.event.special[ fix ] = {
7563                         setup: function() {
7564                                 var doc = this.ownerDocument || this,
7565                                         attaches = dataPriv.access( doc, fix );
7566
7567                                 if ( !attaches ) {
7568                                         doc.addEventListener( orig, handler, true );
7569                                 }
7570                                 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
7571                         },
7572                         teardown: function() {
7573                                 var doc = this.ownerDocument || this,
7574                                         attaches = dataPriv.access( doc, fix ) - 1;
7575
7576                                 if ( !attaches ) {
7577                                         doc.removeEventListener( orig, handler, true );
7578                                         dataPriv.remove( doc, fix );
7579
7580                                 } else {
7581                                         dataPriv.access( doc, fix, attaches );
7582                                 }
7583                         }
7584                 };
7585         } );
7586 }
7587
7588
7589 var
7590         rbracket = /\[\]$/,
7591         rCRLF = /\r?\n/g,
7592         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
7593         rsubmittable = /^(?:input|select|textarea|keygen)/i;
7594
7595 function buildParams( prefix, obj, traditional, add ) {
7596         var name;
7597
7598         if ( Array.isArray( obj ) ) {
7599
7600                 // Serialize array item.
7601                 jQuery.each( obj, function( i, v ) {
7602                         if ( traditional || rbracket.test( prefix ) ) {
7603
7604                                 // Treat each array item as a scalar.
7605                                 add( prefix, v );
7606
7607                         } else {
7608
7609                                 // Item is non-scalar (array or object), encode its numeric index.
7610                                 buildParams(
7611                                         prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
7612                                         v,
7613                                         traditional,
7614                                         add
7615                                 );
7616                         }
7617                 } );
7618
7619         } else if ( !traditional && toType( obj ) === "object" ) {
7620
7621                 // Serialize object item.
7622                 for ( name in obj ) {
7623                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
7624                 }
7625
7626         } else {
7627
7628                 // Serialize scalar item.
7629                 add( prefix, obj );
7630         }
7631 }
7632
7633 // Serialize an array of form elements or a set of
7634 // key/values into a query string
7635 jQuery.param = function( a, traditional ) {
7636         var prefix,
7637                 s = [],
7638                 add = function( key, valueOrFunction ) {
7639
7640                         // If value is a function, invoke it and use its return value
7641                         var value = isFunction( valueOrFunction ) ?
7642                                 valueOrFunction() :
7643                                 valueOrFunction;
7644
7645                         s[ s.length ] = encodeURIComponent( key ) + "=" +
7646                                 encodeURIComponent( value == null ? "" : value );
7647                 };
7648
7649         // If an array was passed in, assume that it is an array of form elements.
7650         if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
7651
7652                 // Serialize the form elements
7653                 jQuery.each( a, function() {
7654                         add( this.name, this.value );
7655                 } );
7656
7657         } else {
7658
7659                 // If traditional, encode the "old" way (the way 1.3.2 or older
7660                 // did it), otherwise encode params recursively.
7661                 for ( prefix in a ) {
7662                         buildParams( prefix, a[ prefix ], traditional, add );
7663                 }
7664         }
7665
7666         // Return the resulting serialization
7667         return s.join( "&" );
7668 };
7669
7670 jQuery.fn.extend( {
7671         serialize: function() {
7672                 return jQuery.param( this.serializeArray() );
7673         },
7674         serializeArray: function() {
7675                 return this.map( function() {
7676
7677                         // Can add propHook for "elements" to filter or add form elements
7678                         var elements = jQuery.prop( this, "elements" );
7679                         return elements ? jQuery.makeArray( elements ) : this;
7680                 } )
7681                 .filter( function() {
7682                         var type = this.type;
7683
7684                         // Use .is( ":disabled" ) so that fieldset[disabled] works
7685                         return this.name && !jQuery( this ).is( ":disabled" ) &&
7686                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
7687                                 ( this.checked || !rcheckableType.test( type ) );
7688                 } )
7689                 .map( function( i, elem ) {
7690                         var val = jQuery( this ).val();
7691
7692                         if ( val == null ) {
7693                                 return null;
7694                         }
7695
7696                         if ( Array.isArray( val ) ) {
7697                                 return jQuery.map( val, function( val ) {
7698                                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7699                                 } );
7700                         }
7701
7702                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7703                 } ).get();
7704         }
7705 } );
7706
7707
7708 jQuery.fn.extend( {
7709         wrapAll: function( html ) {
7710                 var wrap;
7711
7712                 if ( this[ 0 ] ) {
7713                         if ( isFunction( html ) ) {
7714                                 html = html.call( this[ 0 ] );
7715                         }
7716
7717                         // The elements to wrap the target around
7718                         wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
7719
7720                         if ( this[ 0 ].parentNode ) {
7721                                 wrap.insertBefore( this[ 0 ] );
7722                         }
7723
7724                         wrap.map( function() {
7725                                 var elem = this;
7726
7727                                 while ( elem.firstElementChild ) {
7728                                         elem = elem.firstElementChild;
7729                                 }
7730
7731                                 return elem;
7732                         } ).append( this );
7733                 }
7734
7735                 return this;
7736         },
7737
7738         wrapInner: function( html ) {
7739                 if ( isFunction( html ) ) {
7740                         return this.each( function( i ) {
7741                                 jQuery( this ).wrapInner( html.call( this, i ) );
7742                         } );
7743                 }
7744
7745                 return this.each( function() {
7746                         var self = jQuery( this ),
7747                                 contents = self.contents();
7748
7749                         if ( contents.length ) {
7750                                 contents.wrapAll( html );
7751
7752                         } else {
7753                                 self.append( html );
7754                         }
7755                 } );
7756         },
7757
7758         wrap: function( html ) {
7759                 var htmlIsFunction = isFunction( html );
7760
7761                 return this.each( function( i ) {
7762                         jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
7763                 } );
7764         },
7765
7766         unwrap: function( selector ) {
7767                 this.parent( selector ).not( "body" ).each( function() {
7768                         jQuery( this ).replaceWith( this.childNodes );
7769                 } );
7770                 return this;
7771         }
7772 } );
7773
7774
7775 jQuery.expr.pseudos.hidden = function( elem ) {
7776         return !jQuery.expr.pseudos.visible( elem );
7777 };
7778 jQuery.expr.pseudos.visible = function( elem ) {
7779         return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
7780 };
7781
7782
7783
7784
7785 // Support: Safari 8 only
7786 // In Safari 8 documents created via document.implementation.createHTMLDocument
7787 // collapse sibling forms: the second one becomes a child of the first one.
7788 // Because of that, this security measure has to be disabled in Safari 8.
7789 // https://bugs.webkit.org/show_bug.cgi?id=137337
7790 support.createHTMLDocument = ( function() {
7791         var body = document.implementation.createHTMLDocument( "" ).body;
7792         body.innerHTML = "<form></form><form></form>";
7793         return body.childNodes.length === 2;
7794 } )();
7795
7796
7797 // Argument "data" should be string of html
7798 // context (optional): If specified, the fragment will be created in this context,
7799 // defaults to document
7800 // keepScripts (optional): If true, will include scripts passed in the html string
7801 jQuery.parseHTML = function( data, context, keepScripts ) {
7802         if ( typeof data !== "string" ) {
7803                 return [];
7804         }
7805         if ( typeof context === "boolean" ) {
7806                 keepScripts = context;
7807                 context = false;
7808         }
7809
7810         var base, parsed, scripts;
7811
7812         if ( !context ) {
7813
7814                 // Stop scripts or inline event handlers from being executed immediately
7815                 // by using document.implementation
7816                 if ( support.createHTMLDocument ) {
7817                         context = document.implementation.createHTMLDocument( "" );
7818
7819                         // Set the base href for the created document
7820                         // so any parsed elements with URLs
7821                         // are based on the document's URL (gh-2965)
7822                         base = context.createElement( "base" );
7823                         base.href = document.location.href;
7824                         context.head.appendChild( base );
7825                 } else {
7826                         context = document;
7827                 }
7828         }
7829
7830         parsed = rsingleTag.exec( data );
7831         scripts = !keepScripts && [];
7832
7833         // Single tag
7834         if ( parsed ) {
7835                 return [ context.createElement( parsed[ 1 ] ) ];
7836         }
7837
7838         parsed = buildFragment( [ data ], context, scripts );
7839
7840         if ( scripts && scripts.length ) {
7841                 jQuery( scripts ).remove();
7842         }
7843
7844         return jQuery.merge( [], parsed.childNodes );
7845 };
7846
7847
7848 jQuery.offset = {
7849         setOffset: function( elem, options, i ) {
7850                 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
7851                         position = jQuery.css( elem, "position" ),
7852                         curElem = jQuery( elem ),
7853                         props = {};
7854
7855                 // Set position first, in-case top/left are set even on static elem
7856                 if ( position === "static" ) {
7857                         elem.style.position = "relative";
7858                 }
7859
7860                 curOffset = curElem.offset();
7861                 curCSSTop = jQuery.css( elem, "top" );
7862                 curCSSLeft = jQuery.css( elem, "left" );
7863                 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
7864                         ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
7865
7866                 // Need to be able to calculate position if either
7867                 // top or left is auto and position is either absolute or fixed
7868                 if ( calculatePosition ) {
7869                         curPosition = curElem.position();
7870                         curTop = curPosition.top;
7871                         curLeft = curPosition.left;
7872
7873                 } else {
7874                         curTop = parseFloat( curCSSTop ) || 0;
7875                         curLeft = parseFloat( curCSSLeft ) || 0;
7876                 }
7877
7878                 if ( isFunction( options ) ) {
7879
7880                         // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
7881                         options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
7882                 }
7883
7884                 if ( options.top != null ) {
7885                         props.top = ( options.top - curOffset.top ) + curTop;
7886                 }
7887                 if ( options.left != null ) {
7888                         props.left = ( options.left - curOffset.left ) + curLeft;
7889                 }
7890
7891                 if ( "using" in options ) {
7892                         options.using.call( elem, props );
7893
7894                 } else {
7895                         curElem.css( props );
7896                 }
7897         }
7898 };
7899
7900 jQuery.fn.extend( {
7901
7902         // offset() relates an element's border box to the document origin
7903         offset: function( options ) {
7904
7905                 // Preserve chaining for setter
7906                 if ( arguments.length ) {
7907                         return options === undefined ?
7908                                 this :
7909                                 this.each( function( i ) {
7910                                         jQuery.offset.setOffset( this, options, i );
7911                                 } );
7912                 }
7913
7914                 var rect, win,
7915                         elem = this[ 0 ];
7916
7917                 if ( !elem ) {
7918                         return;
7919                 }
7920
7921                 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
7922                 // Support: IE <=11 only
7923                 // Running getBoundingClientRect on a
7924                 // disconnected node in IE throws an error
7925                 if ( !elem.getClientRects().length ) {
7926                         return { top: 0, left: 0 };
7927                 }
7928
7929                 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
7930                 rect = elem.getBoundingClientRect();
7931                 win = elem.ownerDocument.defaultView;
7932                 return {
7933                         top: rect.top + win.pageYOffset,
7934                         left: rect.left + win.pageXOffset
7935                 };
7936         },
7937
7938         // position() relates an element's margin box to its offset parent's padding box
7939         // This corresponds to the behavior of CSS absolute positioning
7940         position: function() {
7941                 if ( !this[ 0 ] ) {
7942                         return;
7943                 }
7944
7945                 var offsetParent, offset, doc,
7946                         elem = this[ 0 ],
7947                         parentOffset = { top: 0, left: 0 };
7948
7949                 // position:fixed elements are offset from the viewport, which itself always has zero offset
7950                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
7951
7952                         // Assume position:fixed implies availability of getBoundingClientRect
7953                         offset = elem.getBoundingClientRect();
7954
7955                 } else {
7956                         offset = this.offset();
7957
7958                         // Account for the *real* offset parent, which can be the document or its root element
7959                         // when a statically positioned element is identified
7960                         doc = elem.ownerDocument;
7961                         offsetParent = elem.offsetParent || doc.documentElement;
7962                         while ( offsetParent &&
7963                                 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
7964                                 jQuery.css( offsetParent, "position" ) === "static" ) {
7965
7966                                 offsetParent = offsetParent.parentNode;
7967                         }
7968                         if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
7969
7970                                 // Incorporate borders into its offset, since they are outside its content origin
7971                                 parentOffset = jQuery( offsetParent ).offset();
7972                                 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
7973                                 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
7974                         }
7975                 }
7976
7977                 // Subtract parent offsets and element margins
7978                 return {
7979                         top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
7980                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
7981                 };
7982         },
7983
7984         // This method will return documentElement in the following cases:
7985         // 1) For the element inside the iframe without offsetParent, this method will return
7986         //    documentElement of the parent window
7987         // 2) For the hidden or detached element
7988         // 3) For body or html element, i.e. in case of the html node - it will return itself
7989         //
7990         // but those exceptions were never presented as a real life use-cases
7991         // and might be considered as more preferable results.
7992         //
7993         // This logic, however, is not guaranteed and can change at any point in the future
7994         offsetParent: function() {
7995                 return this.map( function() {
7996                         var offsetParent = this.offsetParent;
7997
7998                         while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
7999                                 offsetParent = offsetParent.offsetParent;
8000                         }
8001
8002                         return offsetParent || documentElement;
8003                 } );
8004         }
8005 } );
8006
8007 // Create scrollLeft and scrollTop methods
8008 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
8009         var top = "pageYOffset" === prop;
8010
8011         jQuery.fn[ method ] = function( val ) {
8012                 return access( this, function( elem, method, val ) {
8013
8014                         // Coalesce documents and windows
8015                         var win;
8016                         if ( isWindow( elem ) ) {
8017                                 win = elem;
8018                         } else if ( elem.nodeType === 9 ) {
8019                                 win = elem.defaultView;
8020                         }
8021
8022                         if ( val === undefined ) {
8023                                 return win ? win[ prop ] : elem[ method ];
8024                         }
8025
8026                         if ( win ) {
8027                                 win.scrollTo(
8028                                         !top ? val : win.pageXOffset,
8029                                         top ? val : win.pageYOffset
8030                                 );
8031
8032                         } else {
8033                                 elem[ method ] = val;
8034                         }
8035                 }, method, val, arguments.length );
8036         };
8037 } );
8038
8039 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
8040 // Add the top/left cssHooks using jQuery.fn.position
8041 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
8042 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
8043 // getComputedStyle returns percent when specified for top/left/bottom/right;
8044 // rather than make the css module depend on the offset module, just check for it here
8045 jQuery.each( [ "top", "left" ], function( i, prop ) {
8046         jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
8047                 function( elem, computed ) {
8048                         if ( computed ) {
8049                                 computed = curCSS( elem, prop );
8050
8051                                 // If curCSS returns percentage, fallback to offset
8052                                 return rnumnonpx.test( computed ) ?
8053                                         jQuery( elem ).position()[ prop ] + "px" :
8054                                         computed;
8055                         }
8056                 }
8057         );
8058 } );
8059
8060
8061 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
8062 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
8063         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
8064                 function( defaultExtra, funcName ) {
8065
8066                 // Margin is only for outerHeight, outerWidth
8067                 jQuery.fn[ funcName ] = function( margin, value ) {
8068                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
8069                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
8070
8071                         return access( this, function( elem, type, value ) {
8072                                 var doc;
8073
8074                                 if ( isWindow( elem ) ) {
8075
8076                                         // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
8077                                         return funcName.indexOf( "outer" ) === 0 ?
8078                                                 elem[ "inner" + name ] :
8079                                                 elem.document.documentElement[ "client" + name ];
8080                                 }
8081
8082                                 // Get document width or height
8083                                 if ( elem.nodeType === 9 ) {
8084                                         doc = elem.documentElement;
8085
8086                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
8087                                         // whichever is greatest
8088                                         return Math.max(
8089                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
8090                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
8091                                                 doc[ "client" + name ]
8092                                         );
8093                                 }
8094
8095                                 return value === undefined ?
8096
8097                                         // Get width or height on the element, requesting but not forcing parseFloat
8098                                         jQuery.css( elem, type, extra ) :
8099
8100                                         // Set width or height on the element
8101                                         jQuery.style( elem, type, value, extra );
8102                         }, type, chainable ? margin : undefined, chainable );
8103                 };
8104         } );
8105 } );
8106
8107
8108 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
8109         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8110         "change select submit keydown keypress keyup contextmenu" ).split( " " ),
8111         function( i, name ) {
8112
8113         // Handle event binding
8114         jQuery.fn[ name ] = function( data, fn ) {
8115                 return arguments.length > 0 ?
8116                         this.on( name, null, data, fn ) :
8117                         this.trigger( name );
8118         };
8119 } );
8120
8121 jQuery.fn.extend( {
8122         hover: function( fnOver, fnOut ) {
8123                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8124         }
8125 } );
8126
8127
8128
8129
8130 jQuery.fn.extend( {
8131
8132         bind: function( types, data, fn ) {
8133                 return this.on( types, null, data, fn );
8134         },
8135         unbind: function( types, fn ) {
8136                 return this.off( types, null, fn );
8137         },
8138
8139         delegate: function( selector, types, data, fn ) {
8140                 return this.on( types, selector, data, fn );
8141         },
8142         undelegate: function( selector, types, fn ) {
8143
8144                 // ( namespace ) or ( selector, types [, fn] )
8145                 return arguments.length === 1 ?
8146                         this.off( selector, "**" ) :
8147                         this.off( types, selector || "**", fn );
8148         }
8149 } );
8150
8151 // Bind a function to a context, optionally partially applying any
8152 // arguments.
8153 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
8154 // However, it is not slated for removal any time soon
8155 jQuery.proxy = function( fn, context ) {
8156         var tmp, args, proxy;
8157
8158         if ( typeof context === "string" ) {
8159                 tmp = fn[ context ];
8160                 context = fn;
8161                 fn = tmp;
8162         }
8163
8164         // Quick check to determine if target is callable, in the spec
8165         // this throws a TypeError, but we will just return undefined.
8166         if ( !isFunction( fn ) ) {
8167                 return undefined;
8168         }
8169
8170         // Simulated bind
8171         args = slice.call( arguments, 2 );
8172         proxy = function() {
8173                 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
8174         };
8175
8176         // Set the guid of unique handler to the same of original handler, so it can be removed
8177         proxy.guid = fn.guid = fn.guid || jQuery.guid++;
8178
8179         return proxy;
8180 };
8181
8182 jQuery.holdReady = function( hold ) {
8183         if ( hold ) {
8184                 jQuery.readyWait++;
8185         } else {
8186                 jQuery.ready( true );
8187         }
8188 };
8189 jQuery.isArray = Array.isArray;
8190 jQuery.parseJSON = JSON.parse;
8191 jQuery.nodeName = nodeName;
8192 jQuery.isFunction = isFunction;
8193 jQuery.isWindow = isWindow;
8194 jQuery.camelCase = camelCase;
8195 jQuery.type = toType;
8196
8197 jQuery.now = Date.now;
8198
8199 jQuery.isNumeric = function( obj ) {
8200
8201         // As of jQuery 3.0, isNumeric is limited to
8202         // strings and numbers (primitives or objects)
8203         // that can be coerced to finite numbers (gh-2662)
8204         var type = jQuery.type( obj );
8205         return ( type === "number" || type === "string" ) &&
8206
8207                 // parseFloat NaNs numeric-cast false positives ("")
8208                 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
8209                 // subtraction forces infinities to NaN
8210                 !isNaN( obj - parseFloat( obj ) );
8211 };
8212
8213
8214
8215
8216 // Register as a named AMD module, since jQuery can be concatenated with other
8217 // files that may use define, but not via a proper concatenation script that
8218 // understands anonymous AMD modules. A named AMD is safest and most robust
8219 // way to register. Lowercase jquery is used because AMD module names are
8220 // derived from file names, and jQuery is normally delivered in a lowercase
8221 // file name. Do this after creating the global so that if an AMD module wants
8222 // to call noConflict to hide this version of jQuery, it will work.
8223
8224 // Note that for maximum portability, libraries that are not jQuery should
8225 // declare themselves as anonymous modules, and avoid setting a global if an
8226 // AMD loader is present. jQuery is a special case. For more information, see
8227 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
8228
8229 if ( typeof define === "function" && define.amd ) {
8230         define( "jquery", [], function() {
8231                 return jQuery;
8232         } );
8233 }
8234
8235
8236
8237
8238 var
8239
8240         // Map over jQuery in case of overwrite
8241         _jQuery = window.jQuery,
8242
8243         // Map over the $ in case of overwrite
8244         _$ = window.$;
8245
8246 jQuery.noConflict = function( deep ) {
8247         if ( window.$ === jQuery ) {
8248                 window.$ = _$;
8249         }
8250
8251         if ( deep && window.jQuery === jQuery ) {
8252                 window.jQuery = _jQuery;
8253         }
8254
8255         return jQuery;
8256 };
8257
8258 // Expose jQuery and $ identifiers, even in AMD
8259 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
8260 // and CommonJS for browser emulators (#13566)
8261 if ( !noGlobal ) {
8262         window.jQuery = window.$ = jQuery;
8263 }
8264
8265
8266
8267
8268 return jQuery;
8269 } );