2 * jQuery JavaScript Library v3.3.1
6 * https://sizzlejs.com/
8 * Copyright JS Foundation and other contributors
9 * Released under the MIT license
10 * https://jquery.org/license
12 * Date: 2018-01-20T17:24Z
14 ( function( global, factory ) {
18 if ( typeof module === "object" && typeof module.exports === "object" ) {
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 ) :
31 throw new Error( "jQuery requires a window with a document" );
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
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.
50 var document = window.document;
52 var getProto = Object.getPrototypeOf;
54 var slice = arr.slice;
56 var concat = arr.concat;
60 var indexOf = arr.indexOf;
64 var toString = class2type.toString;
66 var hasOwn = class2type.hasOwnProperty;
68 var fnToString = hasOwn.toString;
70 var ObjectFunctionString = fnToString.call( Object );
74 var isFunction = function isFunction( obj ) {
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";
84 var isWindow = function isWindow( obj ) {
85 return obj != null && obj === obj.window;
91 var preservedScriptAttributes = {
97 function DOMEval( code, doc, node ) {
98 doc = doc || document;
101 script = doc.createElement( "script" );
105 for ( i in preservedScriptAttributes ) {
107 script[ i ] = node[ i ];
111 doc.head.appendChild( script ).parentNode.removeChild( script );
115 function toType( obj ) {
120 // Support: Android <=2.3 only (functionish RegExp)
121 return typeof obj === "object" || typeof obj === "function" ?
122 class2type[ toString.call( obj ) ] || "object" :
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
134 // Define a local copy of jQuery
135 jQuery = function( selector, context ) {
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 );
142 // Support: Android <=4.0 only
143 // Make sure we trim BOM and NBSP
144 rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
146 jQuery.fn = jQuery.prototype = {
148 // The current version of jQuery being used
153 // The default length of a jQuery object is 0
156 toArray: function() {
157 return slice.call( this );
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 ) {
164 // Return all the elements in a clean array
166 return slice.call( this );
169 // Return just the one element from the set
170 return num < 0 ? this[ num + this.length ] : this[ num ];
173 // Take an array of elements and push it onto the stack
174 // (returning the new matched element set)
175 pushStack: function( elems ) {
177 // Build a new jQuery matched element set
178 var ret = jQuery.merge( this.constructor(), elems );
180 // Add the old object onto the stack (as a reference)
181 ret.prevObject = this;
183 // Return the newly-formed element set
187 // Execute a callback for every element in the matched set.
188 each: function( callback ) {
189 return jQuery.each( this, callback );
192 map: function( callback ) {
193 return this.pushStack( jQuery.map( this, function( elem, i ) {
194 return callback.call( elem, i, elem );
199 return this.pushStack( slice.apply( this, arguments ) );
207 return this.eq( -1 );
211 var len = this.length,
212 j = +i + ( i < 0 ? len : 0 );
213 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
217 return this.prevObject || this.constructor();
220 // For internal use only.
221 // Behaves like an Array's method, not like a jQuery method.
227 jQuery.extend = jQuery.fn.extend = function() {
228 var options, name, src, copy, copyIsArray, clone,
229 target = arguments[ 0 ] || {},
231 length = arguments.length,
234 // Handle a deep copy situation
235 if ( typeof target === "boolean" ) {
238 // Skip the boolean and the target
239 target = arguments[ i ] || {};
243 // Handle case when target is a string or something (possible in deep copy)
244 if ( typeof target !== "object" && !isFunction( target ) ) {
248 // Extend jQuery itself if only one argument is passed
249 if ( i === length ) {
254 for ( ; i < length; i++ ) {
256 // Only deal with non-null/undefined values
257 if ( ( options = arguments[ i ] ) != null ) {
259 // Extend the base object
260 for ( name in options ) {
261 src = target[ name ];
262 copy = options[ name ];
264 // Prevent never-ending loop
265 if ( target === copy ) {
269 // Recurse if we're merging plain objects or arrays
270 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
271 ( copyIsArray = Array.isArray( copy ) ) ) ) {
275 clone = src && Array.isArray( src ) ? src : [];
278 clone = src && jQuery.isPlainObject( src ) ? src : {};
281 // Never move original objects, clone them
282 target[ name ] = jQuery.extend( deep, clone, copy );
284 // Don't bring in undefined values
285 } else if ( copy !== undefined ) {
286 target[ name ] = copy;
292 // Return the modified object
298 // Unique for each copy of jQuery on the page
299 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
301 // Assume jQuery is ready without the ready module
304 error: function( msg ) {
305 throw new Error( msg );
310 isPlainObject: function( obj ) {
313 // Detect obvious negatives
314 // Use toString instead of jQuery.type to catch host objects
315 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
319 proto = getProto( obj );
321 // Objects with no prototype (e.g., `Object.create( null )`) are plain
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;
331 isEmptyObject: function( obj ) {
333 /* eslint-disable no-unused-vars */
334 // See https://github.com/eslint/eslint/issues/6125
337 for ( name in obj ) {
343 // Evaluates a script in a global context
344 globalEval: function( code ) {
348 each: function( obj, callback ) {
351 if ( isArrayLike( obj ) ) {
353 for ( ; i < length; i++ ) {
354 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
360 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
369 // Support: Android <=4.0 only
370 trim: function( text ) {
371 return text == null ?
373 ( text + "" ).replace( rtrim, "" );
376 // results is for internal usage only
377 makeArray: function( arr, results ) {
378 var ret = results || [];
381 if ( isArrayLike( Object( arr ) ) ) {
383 typeof arr === "string" ?
387 push.call( ret, arr );
394 inArray: function( elem, arr, i ) {
395 return arr == null ? -1 : indexOf.call( arr, elem, i );
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,
405 for ( ; j < len; j++ ) {
406 first[ i++ ] = second[ j ];
414 grep: function( elems, callback, invert ) {
418 length = elems.length,
419 callbackExpect = !invert;
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 ] );
433 // arg is for internal usage only
434 map: function( elems, callback, arg ) {
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 );
445 if ( value != null ) {
450 // Go through every key on the object,
453 value = callback( elems[ i ], i, arg );
455 if ( value != null ) {
461 // Flatten any nested arrays
462 return concat.apply( [], ret );
465 // A global GUID counter for objects
468 // jQuery.support is not used in Core but other projects attach their
469 // properties to it so it needs to exist.
473 if ( typeof Symbol === "function" ) {
474 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
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();
483 function isArrayLike( obj ) {
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 );
492 if ( isFunction( obj ) || isWindow( obj ) ) {
496 return type === "array" || length === 0 ||
497 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
501 * Sizzle CSS Selector Engine v2.3.3
502 * https://sizzlejs.com/
504 * Copyright jQuery Foundation and other contributors
505 * Released under the MIT license
506 * http://jquery.org/license
510 (function( window ) {
524 // Local document vars
534 // Instance-specific data
535 expando = "sizzle" + 1 * new Date(),
536 preferredDoc = window.document,
539 classCache = createCache(),
540 tokenCache = createCache(),
541 compilerCache = createCache(),
542 sortOrder = function( a, b ) {
550 hasOwn = ({}).hasOwnProperty,
553 push_native = arr.push,
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 ) {
561 for ( ; i < len; i++ ) {
562 if ( list[i] === elem ) {
569 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
571 // Regular expressions
573 // http://www.w3.org/TR/css3-selectors/#whitespace
574 whitespace = "[\\x20\\t\\r\\n\\f]",
576 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
577 identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
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 +
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)
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 + "+$", "g" ),
601 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
602 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
604 rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
606 rpseudo = new RegExp( pseudos ),
607 ridentifier = new RegExp( "^" + identifier + "$" ),
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" )
625 rinputs = /^(?:input|select|textarea|button)$/i,
628 rnative = /^[^{]+\{\s*\[native \w/,
630 // Easily-parseable/retrievable ID or TAG or CLASS selectors
631 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
636 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
637 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
638 funescape = function( _, escaped, escapedWhitespace ) {
639 var high = "0x" + escaped - 0x10000;
640 // NaN means non-codepoint
641 // Support: Firefox<24
642 // Workaround erroneous numeric interpretation of +"0x"
643 return high !== high || escapedWhitespace ?
647 String.fromCharCode( high + 0x10000 ) :
648 // Supplemental Plane codepoint (surrogate pair)
649 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
652 // CSS string/identifier serialization
653 // https://drafts.csswg.org/cssom/#common-serializing-idioms
654 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
655 fcssescape = function( ch, asCodePoint ) {
658 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
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 ) + " ";
667 // Other potentially-special ASCII characters get backslash-escaped
673 // Removing the function wrapper causes a "Permission Denied"
675 unloadHandler = function() {
679 disabledAncestor = addCombinator(
681 return elem.disabled === true && ("form" in elem || "label" in elem);
683 { dir: "parentNode", next: "legend" }
686 // Optimize for push.apply( _, NodeList )
689 (arr = slice.call( preferredDoc.childNodes )),
690 preferredDoc.childNodes
692 // Support: Android<4.0
693 // Detect silently failing push.apply
694 arr[ preferredDoc.childNodes.length ].nodeType;
696 push = { apply: arr.length ?
698 // Leverage slice if possible
699 function( target, els ) {
700 push_native.apply( target, slice.call(els) );
704 // Otherwise append directly
705 function( target, els ) {
706 var j = target.length,
708 // Can't trust NodeList.length
709 while ( (target[j++] = els[i++]) ) {}
710 target.length = j - 1;
715 function Sizzle( selector, context, results, seed ) {
716 var m, i, elem, nid, match, groups, newSelector,
717 newContext = context && context.ownerDocument,
719 // nodeType defaults to 9, since context defaults to document
720 nodeType = context ? context.nodeType : 9;
722 results = results || [];
724 // Return early from calls with invalid selector or context
725 if ( typeof selector !== "string" || !selector ||
726 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
731 // Try to shortcut find operations (as opposed to filters) in HTML documents
734 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
735 setDocument( context );
737 context = context || document;
739 if ( documentIsHTML ) {
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 )) ) {
746 if ( (m = match[1]) ) {
749 if ( nodeType === 9 ) {
750 if ( (elem = context.getElementById( m )) ) {
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 );
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 ) &&
773 results.push( elem );
779 } else if ( match[2] ) {
780 push.apply( results, context.getElementsByTagName( selector ) );
784 } else if ( (m = match[3]) && support.getElementsByClassName &&
785 context.getElementsByClassName ) {
787 push.apply( results, context.getElementsByClassName( m ) );
792 // Take advantage of querySelectorAll
794 !compilerCache[ selector + " " ] &&
795 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
797 if ( nodeType !== 1 ) {
798 newContext = context;
799 newSelector = selector;
801 // qSA looks outside Element context, which is not what we want
802 // Thanks to Andrew Dupont for this workaround technique
804 // Exclude object elements
805 } else if ( context.nodeName.toLowerCase() !== "object" ) {
807 // Capture the context ID, setting it first if necessary
808 if ( (nid = context.getAttribute( "id" )) ) {
809 nid = nid.replace( rcssescape, fcssescape );
811 context.setAttribute( "id", (nid = expando) );
814 // Prefix every selector in the list
815 groups = tokenize( selector );
818 groups[i] = "#" + nid + " " + toSelector( groups[i] );
820 newSelector = groups.join( "," );
822 // Expand context for sibling selectors
823 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
830 newContext.querySelectorAll( newSelector )
833 } catch ( qsaError ) {
835 if ( nid === expando ) {
836 context.removeAttribute( "id" );
845 return select( selector.replace( rtrim, "$1" ), context, results, seed );
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
854 function createCache() {
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() ];
863 return (cache[ key + " " ] = value);
869 * Mark a function for special use by Sizzle
870 * @param {Function} fn The function to mark
872 function markFunction( fn ) {
873 fn[ expando ] = true;
878 * Support testing using an element
879 * @param {Function} fn Passed the created element and returns a boolean result
881 function assert( fn ) {
882 var el = document.createElement("fieldset");
889 // Remove from its parent by default
890 if ( el.parentNode ) {
891 el.parentNode.removeChild( el );
893 // release memory in IE
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
903 function addHandle( attrs, handler ) {
904 var arr = attrs.split("|"),
908 Expr.attrHandle[ arr[i] ] = handler;
913 * Checks document order of two siblings
916 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
918 function siblingCheck( a, b ) {
920 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
921 a.sourceIndex - b.sourceIndex;
923 // Use IE sourceIndex if available on both nodes
928 // Check if b follows a
930 while ( (cur = cur.nextSibling) ) {
941 * Returns a function to use in pseudos for input types
942 * @param {String} type
944 function createInputPseudo( type ) {
945 return function( elem ) {
946 var name = elem.nodeName.toLowerCase();
947 return name === "input" && elem.type === type;
952 * Returns a function to use in pseudos for buttons
953 * @param {String} type
955 function createButtonPseudo( type ) {
956 return function( elem ) {
957 var name = elem.nodeName.toLowerCase();
958 return (name === "input" || name === "button") && elem.type === type;
963 * Returns a function to use in pseudos for :enabled/:disabled
964 * @param {Boolean} disabled true for :disabled; false for :enabled
966 function createDisabledPseudo( disabled ) {
968 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
969 return function( elem ) {
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 ) {
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 ) {
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;
990 return elem.disabled === disabled;
994 // Support: IE 6 - 11
995 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
996 return elem.isDisabled === disabled ||
998 // Where there is no isDisabled, check manually
1000 elem.isDisabled !== !disabled &&
1001 disabledAncestor( elem ) === disabled;
1004 return elem.disabled === disabled;
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;
1013 // Remaining elements are neither :enabled nor :disabled
1019 * Returns a function to use in pseudos for positionals
1020 * @param {Function} fn
1022 function createPositionalPseudo( fn ) {
1023 return markFunction(function( argument ) {
1024 argument = +argument;
1025 return markFunction(function( seed, matches ) {
1027 matchIndexes = fn( [], seed.length, argument ),
1028 i = matchIndexes.length;
1030 // Match elements found at the specified indexes
1032 if ( seed[ (j = matchIndexes[i]) ] ) {
1033 seed[j] = !(matches[j] = seed[j]);
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
1045 function testContext( context ) {
1046 return context && typeof context.getElementsByTagName !== "undefined" && context;
1049 // Expose support vars for convenience
1050 support = Sizzle.support = {};
1054 * @param {Element|Object} elem An element or a document
1055 * @returns {Boolean} True iff elem is a non-HTML XML node
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;
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
1069 setDocument = Sizzle.setDocument = function( node ) {
1070 var hasCompare, subWindow,
1071 doc = node ? node.ownerDocument || node : preferredDoc;
1073 // Return early if doc is invalid or already selected
1074 if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1078 // Update global variables
1080 docElem = document.documentElement;
1081 documentIsHTML = !isXML( document );
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 ) {
1088 // Support: IE 11, Edge
1089 if ( subWindow.addEventListener ) {
1090 subWindow.addEventListener( "unload", unloadHandler, false );
1092 // Support: IE 9 - 10 only
1093 } else if ( subWindow.attachEvent ) {
1094 subWindow.attachEvent( "onunload", unloadHandler );
1099 ---------------------------------------------------------------------- */
1102 // Verify that getAttribute really returns attributes and not properties
1103 // (excepting IE8 booleans)
1104 support.attributes = assert(function( el ) {
1106 return !el.getAttribute("className");
1110 ---------------------------------------------------------------------- */
1112 // Check if getElementsByTagName("*") returns only elements
1113 support.getElementsByTagName = assert(function( el ) {
1114 el.appendChild( document.createComment("") );
1115 return !el.getElementsByTagName("*").length;
1119 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
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;
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;
1138 Expr.find["ID"] = function( id, context ) {
1139 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1140 var elem = context.getElementById( id );
1141 return elem ? [ elem ] : [];
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;
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 ) {
1159 elem = context.getElementById( id );
1163 // Verify the id attribute
1164 node = elem.getAttributeNode("id");
1165 if ( node && node.value === id ) {
1169 // Fall back on getElementsByName
1170 elems = context.getElementsByName( id );
1172 while ( (elem = elems[i++]) ) {
1173 node = elem.getAttributeNode("id");
1174 if ( node && node.value === id ) {
1186 Expr.find["TAG"] = support.getElementsByTagName ?
1187 function( tag, context ) {
1188 if ( typeof context.getElementsByTagName !== "undefined" ) {
1189 return context.getElementsByTagName( tag );
1191 // DocumentFragment nodes don't have gEBTN
1192 } else if ( support.qsa ) {
1193 return context.querySelectorAll( tag );
1197 function( tag, context ) {
1201 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1202 results = context.getElementsByTagName( tag );
1204 // Filter out possible comments
1205 if ( tag === "*" ) {
1206 while ( (elem = results[i++]) ) {
1207 if ( elem.nodeType === 1 ) {
1218 Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1219 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1220 return context.getElementsByClassName( className );
1224 /* QSA/matchesSelector
1225 ---------------------------------------------------------------------- */
1227 // QSA and matchesSelector support
1229 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
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
1239 if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
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>";
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 + "*(?:''|\"\")" );
1261 // Boolean attributes and "value" are not treated correctly
1262 if ( !el.querySelectorAll("[selected]").length ) {
1263 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
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("~=");
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");
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(".#.+[+~]");
1286 assert(function( el ) {
1287 el.innerHTML = "<a href='' disabled='disabled'></a>" +
1288 "<select disabled='disabled'><option/></select>";
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" );
1297 // Enforce case-sensitivity of name attribute
1298 if ( el.querySelectorAll("[name=d]").length ) {
1299 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
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" );
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" );
1315 // Opera 10-11 does not throw on post-comma invalid pseudos
1316 el.querySelectorAll("*,:x");
1317 rbuggyQSA.push(",.*:");
1321 if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1322 docElem.webkitMatchesSelector ||
1323 docElem.mozMatchesSelector ||
1324 docElem.oMatchesSelector ||
1325 docElem.msMatchesSelector) )) ) {
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, "*" );
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 );
1339 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1340 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1343 ---------------------------------------------------------------------- */
1344 hasCompare = rnative.test( docElem.compareDocumentPosition );
1346 // Element contains another
1347 // Purposefully self-exclusive
1348 // As in, an element does not contain itself
1349 contains = hasCompare || rnative.test( docElem.contains ) ?
1351 var adown = a.nodeType === 9 ? a.documentElement : a,
1352 bup = b && b.parentNode;
1353 return a === bup || !!( bup && bup.nodeType === 1 && (
1355 adown.contains( bup ) :
1356 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1361 while ( (b = b.parentNode) ) {
1371 ---------------------------------------------------------------------- */
1373 // Document order sorting
1374 sortOrder = hasCompare ?
1377 // Flag for duplicate removal
1379 hasDuplicate = true;
1383 // Sort on method existence if only one input has compareDocumentPosition
1384 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1389 // Calculate position if both inputs belong to the same document
1390 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1391 a.compareDocumentPosition( b ) :
1393 // Otherwise we know they are disconnected
1396 // Disconnected nodes
1398 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1400 // Choose the first element that is related to our preferred document
1401 if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1404 if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1408 // Maintain original order
1410 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1414 return compare & 4 ? -1 : 1;
1417 // Exit early if the nodes are identical
1419 hasDuplicate = true;
1430 // Parentless nodes are either documents or disconnected
1431 if ( !aup || !bup ) {
1432 return a === document ? -1 :
1433 b === document ? 1 :
1437 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1440 // If the nodes are siblings, we can do a quick check
1441 } else if ( aup === bup ) {
1442 return siblingCheck( a, b );
1445 // Otherwise we need full lists of their ancestors for comparison
1447 while ( (cur = cur.parentNode) ) {
1451 while ( (cur = cur.parentNode) ) {
1455 // Walk down the tree looking for a discrepancy
1456 while ( ap[i] === bp[i] ) {
1461 // Do a sibling check if the nodes have a common ancestor
1462 siblingCheck( ap[i], bp[i] ) :
1464 // Otherwise nodes in our document sort first
1465 ap[i] === preferredDoc ? -1 :
1466 bp[i] === preferredDoc ? 1 :
1473 Sizzle.matches = function( expr, elements ) {
1474 return Sizzle( expr, null, null, elements );
1477 Sizzle.matchesSelector = function( elem, expr ) {
1478 // Set document vars if needed
1479 if ( ( elem.ownerDocument || elem ) !== document ) {
1480 setDocument( elem );
1483 // Make sure that attribute selectors are quoted
1484 expr = expr.replace( rattributeQuotes, "='$1']" );
1486 if ( support.matchesSelector && documentIsHTML &&
1487 !compilerCache[ expr + " " ] &&
1488 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1489 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1492 var ret = matches.call( elem, expr );
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
1498 elem.document && elem.document.nodeType !== 11 ) {
1504 return Sizzle( expr, document, null, [ elem ] ).length > 0;
1507 Sizzle.contains = function( context, elem ) {
1508 // Set document vars if needed
1509 if ( ( context.ownerDocument || context ) !== document ) {
1510 setDocument( context );
1512 return contains( context, elem );
1515 Sizzle.attr = function( elem, name ) {
1516 // Set document vars if needed
1517 if ( ( elem.ownerDocument || elem ) !== document ) {
1518 setDocument( elem );
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 ) :
1527 return val !== undefined ?
1529 support.attributes || !documentIsHTML ?
1530 elem.getAttribute( name ) :
1531 (val = elem.getAttributeNode(name)) && val.specified ?
1536 Sizzle.escape = function( sel ) {
1537 return (sel + "").replace( rcssescape, fcssescape );
1540 Sizzle.error = function( msg ) {
1541 throw new Error( "Syntax error, unrecognized expression: " + msg );
1545 * Document sorting and removing duplicates
1546 * @param {ArrayLike} results
1548 Sizzle.uniqueSort = function( results ) {
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 );
1559 if ( hasDuplicate ) {
1560 while ( (elem = results[i++]) ) {
1561 if ( elem === results[ i ] ) {
1562 j = duplicates.push( i );
1566 results.splice( duplicates[ j ], 1 );
1570 // Clear input after sorting to release objects
1571 // See https://github.com/jquery/sizzle/pull/225
1578 * Utility function for retrieving the text value of an array of DOM nodes
1579 * @param {Array|Element} elem
1581 getText = Sizzle.getText = function( elem ) {
1585 nodeType = elem.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 );
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;
1599 // Traverse its children
1600 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1601 ret += getText( elem );
1604 } else if ( nodeType === 3 || nodeType === 4 ) {
1605 return elem.nodeValue;
1607 // Do not include comment or processing instruction nodes
1612 Expr = Sizzle.selectors = {
1614 // Can be adjusted by the user
1617 createPseudo: markFunction,
1626 ">": { dir: "parentNode", first: true },
1627 " ": { dir: "parentNode" },
1628 "+": { dir: "previousSibling", first: true },
1629 "~": { dir: "previousSibling" }
1633 "ATTR": function( match ) {
1634 match[1] = match[1].replace( runescape, funescape );
1636 // Move the given value to match[3] whether quoted or unquoted
1637 match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1639 if ( match[2] === "~=" ) {
1640 match[3] = " " + match[3] + " ";
1643 return match.slice( 0, 4 );
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
1654 7 sign of y-component
1657 match[1] = match[1].toLowerCase();
1659 if ( match[1].slice( 0, 3 ) === "nth" ) {
1660 // nth-* requires argument
1662 Sizzle.error( match[0] );
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" );
1670 // other types prohibit arguments
1671 } else if ( match[3] ) {
1672 Sizzle.error( match[0] );
1678 "PSEUDO": function( match ) {
1680 unquoted = !match[6] && match[2];
1682 if ( matchExpr["CHILD"].test( match[0] ) ) {
1686 // Accept quoted arguments as-is
1688 match[2] = match[4] || match[5] || "";
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) ) {
1697 // excess is a negative index
1698 match[0] = match[0].slice( 0, excess );
1699 match[2] = unquoted.slice( 0, excess );
1702 // Return only captures needed by the pseudo filter method (type and argument)
1703 return match.slice( 0, 3 );
1709 "TAG": function( nodeNameSelector ) {
1710 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1711 return nodeNameSelector === "*" ?
1712 function() { return true; } :
1714 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1718 "CLASS": function( className ) {
1719 var pattern = classCache[ className + " " ];
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") || "" );
1728 "ATTR": function( name, operator, check ) {
1729 return function( elem ) {
1730 var result = Sizzle.attr( elem, name );
1732 if ( result == null ) {
1733 return operator === "!=";
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 + "-" :
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";
1757 return first === 1 && last === 0 ?
1759 // Shortcut for :nth-*(n)
1761 return !!elem.parentNode;
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,
1774 // :(first|last|only)-(child|of-type)
1778 while ( (node = node[ dir ]) ) {
1780 node.nodeName.toLowerCase() === name :
1781 node.nodeType === 1 ) {
1786 // Reverse direction for :only-* (if we haven't yet done so)
1787 start = dir = type === "only" && !start && "nextSibling";
1792 start = [ forward ? parent.firstChild : parent.lastChild ];
1794 // non-xml :nth-child(...) stores cache data on `parent`
1795 if ( forward && useCache ) {
1797 // Seek `elem` from a previously-cached index
1799 // ...in a gzip-friendly way
1801 outerCache = node[ expando ] || (node[ expando ] = {});
1803 // Support: IE <9 only
1804 // Defend against cloned attroperties (jQuery gh-1709)
1805 uniqueCache = outerCache[ node.uniqueID ] ||
1806 (outerCache[ node.uniqueID ] = {});
1808 cache = uniqueCache[ type ] || [];
1809 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1810 diff = nodeIndex && cache[ 2 ];
1811 node = nodeIndex && parent.childNodes[ nodeIndex ];
1813 while ( (node = ++nodeIndex && node && node[ dir ] ||
1815 // Fallback to seeking `elem` from the start
1816 (diff = nodeIndex = 0) || start.pop()) ) {
1818 // When found, cache indexes on `parent` and break
1819 if ( node.nodeType === 1 && ++diff && node === elem ) {
1820 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1826 // Use previously-cached element index if available
1828 // ...in a gzip-friendly way
1830 outerCache = node[ expando ] || (node[ expando ] = {});
1832 // Support: IE <9 only
1833 // Defend against cloned attroperties (jQuery gh-1709)
1834 uniqueCache = outerCache[ node.uniqueID ] ||
1835 (outerCache[ node.uniqueID ] = {});
1837 cache = uniqueCache[ type ] || [];
1838 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
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()) ) {
1850 node.nodeName.toLowerCase() === name :
1851 node.nodeType === 1 ) &&
1854 // Cache the index of each encountered element
1856 outerCache = node[ expando ] || (node[ expando ] = {});
1858 // Support: IE <9 only
1859 // Defend against cloned attroperties (jQuery gh-1709)
1860 uniqueCache = outerCache[ node.uniqueID ] ||
1861 (outerCache[ node.uniqueID ] = {});
1863 uniqueCache[ type ] = [ dirruns, diff ];
1866 if ( node === elem ) {
1874 // Incorporate the offset, then check against cycle size
1876 return diff === first || ( diff % first === 0 && diff / first >= 0 );
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
1887 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1888 Sizzle.error( "unsupported pseudo: " + pseudo );
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 );
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 ) {
1903 matched = fn( seed, argument ),
1906 idx = indexOf( seed, matched[i] );
1907 seed[ idx ] = !( matches[ idx ] = matched[i] );
1911 return fn( elem, 0, args );
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
1927 matcher = compile( selector.replace( rtrim, "$1" ) );
1929 return matcher[ expando ] ?
1930 markFunction(function( seed, matches, context, xml ) {
1932 unmatched = matcher( seed, null, xml, [] ),
1935 // Match elements unmatched by `matcher`
1937 if ( (elem = unmatched[i]) ) {
1938 seed[i] = !(matches[i] = elem);
1942 function( elem, context, xml ) {
1944 matcher( input, null, xml, results );
1945 // Don't keep the element (issue #299)
1947 return !results.pop();
1951 "has": markFunction(function( selector ) {
1952 return function( elem ) {
1953 return Sizzle( selector, elem ).length > 0;
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;
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 );
1976 lang = lang.replace( runescape, funescape ).toLowerCase();
1977 return function( elem ) {
1980 if ( (elemLang = documentIsHTML ?
1982 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1984 elemLang = elemLang.toLowerCase();
1985 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1987 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1993 "target": function( elem ) {
1994 var hash = window.location && window.location.hash;
1995 return hash && hash.slice( 1 ) === elem.id;
1998 "root": function( elem ) {
1999 return elem === docElem;
2002 "focus": function( elem ) {
2003 return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2006 // Boolean properties
2007 "enabled": createDisabledPseudo( false ),
2008 "disabled": createDisabledPseudo( true ),
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);
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;
2024 return elem.selected === true;
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 ) {
2041 "parent": function( elem ) {
2042 return !Expr.pseudos["empty"]( elem );
2045 // Element/input types
2046 "header": function( elem ) {
2047 return rheader.test( elem.nodeName );
2050 "input": function( elem ) {
2051 return rinputs.test( elem.nodeName );
2054 "button": function( elem ) {
2055 var name = elem.nodeName.toLowerCase();
2056 return name === "input" && elem.type === "button" || name === "button";
2059 "text": function( elem ) {
2061 return elem.nodeName.toLowerCase() === "input" &&
2062 elem.type === "text" &&
2065 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2066 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2069 // Position-in-collection
2070 "first": createPositionalPseudo(function() {
2074 "last": createPositionalPseudo(function( matchIndexes, length ) {
2075 return [ length - 1 ];
2078 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2079 return [ argument < 0 ? argument + length : argument ];
2082 "even": createPositionalPseudo(function( matchIndexes, length ) {
2084 for ( ; i < length; i += 2 ) {
2085 matchIndexes.push( i );
2087 return matchIndexes;
2090 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2092 for ( ; i < length; i += 2 ) {
2093 matchIndexes.push( i );
2095 return matchIndexes;
2098 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2099 var i = argument < 0 ? argument + length : argument;
2100 for ( ; --i >= 0; ) {
2101 matchIndexes.push( i );
2103 return matchIndexes;
2106 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2107 var i = argument < 0 ? argument + length : argument;
2108 for ( ; ++i < length; ) {
2109 matchIndexes.push( i );
2111 return matchIndexes;
2116 Expr.pseudos["nth"] = Expr.pseudos["eq"];
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 );
2122 for ( i in { submit: true, reset: true } ) {
2123 Expr.pseudos[ i ] = createButtonPseudo( i );
2126 // Easy API for creating new setFilters
2127 function setFilters() {}
2128 setFilters.prototype = Expr.filters = Expr.pseudos;
2129 Expr.setFilters = new setFilters();
2131 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2132 var matched, match, tokens, type,
2133 soFar, groups, preFilters,
2134 cached = tokenCache[ selector + " " ];
2137 return parseOnly ? 0 : cached.slice( 0 );
2142 preFilters = Expr.preFilter;
2146 // Comma and first run
2147 if ( !matched || (match = rcomma.exec( soFar )) ) {
2149 // Don't consume trailing commas as valid
2150 soFar = soFar.slice( match[0].length ) || soFar;
2152 groups.push( (tokens = []) );
2158 if ( (match = rcombinators.exec( soFar )) ) {
2159 matched = match.shift();
2162 // Cast descendant combinators to space
2163 type: match[0].replace( rtrim, " " )
2165 soFar = soFar.slice( matched.length );
2169 for ( type in Expr.filter ) {
2170 if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2171 (match = preFilters[ type ]( match ))) ) {
2172 matched = match.shift();
2178 soFar = soFar.slice( matched.length );
2187 // Return the length of the invalid excess
2188 // if we're just parsing
2189 // Otherwise, throw an error or return tokens
2193 Sizzle.error( selector ) :
2195 tokenCache( selector, groups ).slice( 0 );
2198 function toSelector( tokens ) {
2200 len = tokens.length,
2202 for ( ; i < len; i++ ) {
2203 selector += tokens[i].value;
2208 function addCombinator( matcher, combinator, base ) {
2209 var dir = combinator.dir,
2210 skip = combinator.next,
2212 checkNonElements = base && key === "parentNode",
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 );
2226 // Check against all ancestor/preceding elements
2227 function( elem, context, xml ) {
2228 var oldCache, uniqueCache, outerCache,
2229 newCache = [ dirruns, doneName ];
2231 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2233 while ( (elem = elem[ dir ]) ) {
2234 if ( elem.nodeType === 1 || checkNonElements ) {
2235 if ( matcher( elem, context, xml ) ) {
2241 while ( (elem = elem[ dir ]) ) {
2242 if ( elem.nodeType === 1 || checkNonElements ) {
2243 outerCache = elem[ expando ] || (elem[ expando ] = {});
2245 // Support: IE <9 only
2246 // Defend against cloned attroperties (jQuery gh-1709)
2247 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
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 ) {
2254 // Assign to newCache so results back-propagate to previous elements
2255 return (newCache[ 2 ] = oldCache[ 2 ]);
2257 // Reuse newcache so results back-propagate to previous elements
2258 uniqueCache[ key ] = newCache;
2260 // A match means we're done; a fail means we have to keep checking
2261 if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2272 function elementMatcher( matchers ) {
2273 return matchers.length > 1 ?
2274 function( elem, context, xml ) {
2275 var i = matchers.length;
2277 if ( !matchers[i]( elem, context, xml ) ) {
2286 function multipleContexts( selector, contexts, results ) {
2288 len = contexts.length;
2289 for ( ; i < len; i++ ) {
2290 Sizzle( selector, contexts[i], results );
2295 function condense( unmatched, map, filter, context, xml ) {
2299 len = unmatched.length,
2300 mapped = map != null;
2302 for ( ; i < len; i++ ) {
2303 if ( (elem = unmatched[i]) ) {
2304 if ( !filter || filter( elem, context, xml ) ) {
2305 newUnmatched.push( elem );
2313 return newUnmatched;
2316 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2317 if ( postFilter && !postFilter[ expando ] ) {
2318 postFilter = setMatcher( postFilter );
2320 if ( postFinder && !postFinder[ expando ] ) {
2321 postFinder = setMatcher( postFinder, postSelector );
2323 return markFunction(function( seed, results, context, xml ) {
2327 preexisting = results.length,
2329 // Get initial elements from seed or context
2330 elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
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 ) :
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 ) ?
2341 // ...intermediate processing is necessary
2344 // ...otherwise use results directly
2348 // Find primary matches
2350 matcher( matcherIn, matcherOut, context, xml );
2355 temp = condense( matcherOut, postMap );
2356 postFilter( temp, [], context, xml );
2358 // Un-match failing elements by moving them back to matcherIn
2361 if ( (elem = temp[i]) ) {
2362 matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2368 if ( postFinder || preFilter ) {
2370 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2372 i = matcherOut.length;
2374 if ( (elem = matcherOut[i]) ) {
2375 // Restore matcherIn since elem is not yet a final match
2376 temp.push( (matcherIn[i] = elem) );
2379 postFinder( null, (matcherOut = []), temp, xml );
2382 // Move matched elements from seed to results to keep them synchronized
2383 i = matcherOut.length;
2385 if ( (elem = matcherOut[i]) &&
2386 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2388 seed[temp] = !(results[temp] = elem);
2393 // Add elements to results, through postFinder if defined
2395 matcherOut = condense(
2396 matcherOut === results ?
2397 matcherOut.splice( preexisting, matcherOut.length ) :
2401 postFinder( null, results, matcherOut, xml );
2403 push.apply( results, matcherOut );
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,
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;
2433 for ( ; i < len; i++ ) {
2434 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2435 matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2437 matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2439 // Return special upon seeing a positional matcher
2440 if ( matcher[ expando ] ) {
2441 // Find the next relative operator (if any) for proper handling
2443 for ( ; j < len; j++ ) {
2444 if ( Expr.relative[ tokens[j].type ] ) {
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" ),
2455 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2456 j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2457 j < len && toSelector( tokens )
2460 matchers.push( matcher );
2464 return elementMatcher( matchers );
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,
2474 unmatched = seed && [],
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),
2484 outermostContext = context === document || context || outermost;
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 ) {
2493 if ( !context && elem.ownerDocument !== document ) {
2494 setDocument( elem );
2495 xml = !documentIsHTML;
2497 while ( (matcher = elementMatchers[j++]) ) {
2498 if ( matcher( elem, context || document, xml) ) {
2499 results.push( elem );
2504 dirruns = dirrunsUnique;
2508 // Track unmatched elements for set filters
2510 // They will have gone through all possible matchers
2511 if ( (elem = !matcher && elem) ) {
2515 // Lengthen the array for every element, matched or not
2517 unmatched.push( elem );
2522 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2523 // makes the latter nonnegative.
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 ) {
2535 while ( (matcher = setMatchers[j++]) ) {
2536 matcher( unmatched, setMatched, context, xml );
2540 // Reintegrate element matches to eliminate the need for sorting
2541 if ( matchedCount > 0 ) {
2543 if ( !(unmatched[i] || setMatched[i]) ) {
2544 setMatched[i] = pop.call( results );
2549 // Discard index placeholder values to get only actual matches
2550 setMatched = condense( setMatched );
2553 // Add matches to results
2554 push.apply( results, setMatched );
2556 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2557 if ( outermost && !seed && setMatched.length > 0 &&
2558 ( matchedCount + setMatchers.length ) > 1 ) {
2560 Sizzle.uniqueSort( results );
2564 // Override manipulation of globals by nested matchers
2566 dirruns = dirrunsUnique;
2567 outermostContext = contextBackup;
2574 markFunction( superMatcher ) :
2578 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2581 elementMatchers = [],
2582 cached = compilerCache[ selector + " " ];
2585 // Generate a function of recursive functions that can be used to check each element
2587 match = tokenize( selector );
2591 cached = matcherFromTokens( match[i] );
2592 if ( cached[ expando ] ) {
2593 setMatchers.push( cached );
2595 elementMatchers.push( cached );
2599 // Cache the compiled function
2600 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2602 // Save selector and tokenization
2603 cached.selector = selector;
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
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) );
2622 results = results || [];
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 ) {
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 ] ) {
2633 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2637 // Precompiled matchers will still verify ancestry, so step up a level
2638 } else if ( compiled ) {
2639 context = context.parentNode;
2642 selector = selector.slice( tokens.shift().value.length );
2645 // Fetch a seed set for right-to-left matching
2646 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2650 // Abort if we hit a combinator
2651 if ( Expr.relative[ (type = token.type) ] ) {
2654 if ( (find = Expr.find[ type ]) ) {
2655 // Search, expanding context for leading sibling combinators
2657 token.matches[0].replace( runescape, funescape ),
2658 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2661 // If seed is empty or no tokens remain, we can return early
2662 tokens.splice( i, 1 );
2663 selector = seed.length && toSelector( tokens );
2665 push.apply( results, seed );
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 ) )(
2682 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2687 // One-time assignments
2690 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2692 // Support: Chrome 14-35+
2693 // Always assume duplicates if they aren't passed to the comparison function
2694 support.detectDuplicates = !!hasDuplicate;
2696 // Initialize against the default document
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;
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") === "#" ;
2713 addHandle( "type|href|height|width", function( elem, name, isXML ) {
2715 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
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" ) === "";
2727 addHandle( "value", function( elem, name, isXML ) {
2728 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2729 return elem.defaultValue;
2735 // Use getAttributeNode to fetch booleans when getAttribute lies
2736 if ( !assert(function( el ) {
2737 return el.getAttribute("disabled") == null;
2739 addHandle( booleans, function( elem, name, isXML ) {
2742 return elem[ name ] === true ? name.toLowerCase() :
2743 (val = elem.getAttributeNode( name )) && val.specified ?
2756 jQuery.find = Sizzle;
2757 jQuery.expr = Sizzle.selectors;
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;
2770 var dir = function( elem, dir, until ) {
2772 truncate = until !== undefined;
2774 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2775 if ( elem.nodeType === 1 ) {
2776 if ( truncate && jQuery( elem ).is( until ) ) {
2779 matched.push( elem );
2786 var siblings = function( n, elem ) {
2789 for ( ; n; n = n.nextSibling ) {
2790 if ( n.nodeType === 1 && n !== elem ) {
2799 var rneedsContext = jQuery.expr.match.needsContext;
2803 function nodeName( elem, name ) {
2805 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2808 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
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;
2821 if ( qualifier.nodeType ) {
2822 return jQuery.grep( elements, function( elem ) {
2823 return ( elem === qualifier ) !== not;
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;
2834 // Filtered directly for both simple and complex selectors
2835 return jQuery.filter( qualifier, elements, not );
2838 jQuery.filter = function( expr, elems, not ) {
2839 var elem = elems[ 0 ];
2842 expr = ":not(" + expr + ")";
2845 if ( elems.length === 1 && elem.nodeType === 1 ) {
2846 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2849 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2850 return elem.nodeType === 1;
2855 find: function( selector ) {
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 ) ) {
2870 ret = this.pushStack( [] );
2872 for ( i = 0; i < len; i++ ) {
2873 jQuery.find( selector, self[ i ], ret );
2876 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2878 filter: function( selector ) {
2879 return this.pushStack( winnow( this, selector || [], false ) );
2881 not: function( selector ) {
2882 return this.pushStack( winnow( this, selector || [], true ) );
2884 is: function( selector ) {
2888 // If this is a positional/relative selector, check membership in the returned set
2889 // so $("p:first").is("p:last") won't return true for a doc with two "p".
2890 typeof selector === "string" && rneedsContext.test( selector ) ?
2891 jQuery( selector ) :
2899 // Initialize a jQuery object
2902 // A central reference to the root jQuery(document)
2905 // A simple way to check for HTML strings
2906 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2907 // Strict HTML recognition (#11290: must start with <)
2908 // Shortcut simple #id case for speed
2909 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2911 init = jQuery.fn.init = function( selector, context, root ) {
2914 // HANDLE: $(""), $(null), $(undefined), $(false)
2919 // Method init() accepts an alternate rootjQuery
2920 // so migrate can support jQuery.sub (gh-2101)
2921 root = root || rootjQuery;
2923 // Handle HTML strings
2924 if ( typeof selector === "string" ) {
2925 if ( selector[ 0 ] === "<" &&
2926 selector[ selector.length - 1 ] === ">" &&
2927 selector.length >= 3 ) {
2929 // Assume that strings that start and end with <> are HTML and skip the regex check
2930 match = [ null, selector, null ];
2933 match = rquickExpr.exec( selector );
2936 // Match html or make sure no context is specified for #id
2937 if ( match && ( match[ 1 ] || !context ) ) {
2939 // HANDLE: $(html) -> $(array)
2941 context = context instanceof jQuery ? context[ 0 ] : context;
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(
2947 context && context.nodeType ? context.ownerDocument || context : document,
2951 // HANDLE: $(html, props)
2952 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2953 for ( match in context ) {
2955 // Properties of context are called as methods if possible
2956 if ( isFunction( this[ match ] ) ) {
2957 this[ match ]( context[ match ] );
2959 // ...and otherwise set as attributes
2961 this.attr( match, context[ match ] );
2970 elem = document.getElementById( match[ 2 ] );
2974 // Inject the element directly into the jQuery object
2981 // HANDLE: $(expr, $(...))
2982 } else if ( !context || context.jquery ) {
2983 return ( context || root ).find( selector );
2985 // HANDLE: $(expr, context)
2986 // (which is just equivalent to: $(context).find(expr)
2988 return this.constructor( context ).find( selector );
2991 // HANDLE: $(DOMElement)
2992 } else if ( selector.nodeType ) {
2993 this[ 0 ] = selector;
2997 // HANDLE: $(function)
2998 // Shortcut for document ready
2999 } else if ( isFunction( selector ) ) {
3000 return root.ready !== undefined ?
3001 root.ready( selector ) :
3003 // Execute immediately if ready is not present
3007 return jQuery.makeArray( selector, this );
3010 // Give the init function the jQuery prototype for later instantiation
3011 init.prototype = jQuery.fn;
3013 // Initialize central reference
3014 rootjQuery = jQuery( document );
3017 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3019 // Methods guaranteed to produce a unique set when starting from a unique set
3020 guaranteedUnique = {
3028 has: function( target ) {
3029 var targets = jQuery( target, this ),
3032 return this.filter( function() {
3034 for ( ; i < l; i++ ) {
3035 if ( jQuery.contains( this, targets[ i ] ) ) {
3042 closest: function( selectors, context ) {
3047 targets = typeof selectors !== "string" && jQuery( selectors );
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 ) {
3054 // Always skip document fragments
3055 if ( cur.nodeType < 11 && ( targets ?
3056 targets.index( cur ) > -1 :
3058 // Don't pass non-elements to Sizzle
3059 cur.nodeType === 1 &&
3060 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3062 matched.push( cur );
3069 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3072 // Determine the position of an element within the set
3073 index: function( elem ) {
3075 // No argument, return index in parent
3077 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3080 // Index in selector
3081 if ( typeof elem === "string" ) {
3082 return indexOf.call( jQuery( elem ), this[ 0 ] );
3085 // Locate the position of the desired element
3086 return indexOf.call( this,
3088 // If it receives a jQuery object, the first element is used
3089 elem.jquery ? elem[ 0 ] : elem
3093 add: function( selector, context ) {
3094 return this.pushStack(
3096 jQuery.merge( this.get(), jQuery( selector, context ) )
3101 addBack: function( selector ) {
3102 return this.add( selector == null ?
3103 this.prevObject : this.prevObject.filter( selector )
3108 function sibling( cur, dir ) {
3109 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3114 parent: function( elem ) {
3115 var parent = elem.parentNode;
3116 return parent && parent.nodeType !== 11 ? parent : null;
3118 parents: function( elem ) {
3119 return dir( elem, "parentNode" );
3121 parentsUntil: function( elem, i, until ) {
3122 return dir( elem, "parentNode", until );
3124 next: function( elem ) {
3125 return sibling( elem, "nextSibling" );
3127 prev: function( elem ) {
3128 return sibling( elem, "previousSibling" );
3130 nextAll: function( elem ) {
3131 return dir( elem, "nextSibling" );
3133 prevAll: function( elem ) {
3134 return dir( elem, "previousSibling" );
3136 nextUntil: function( elem, i, until ) {
3137 return dir( elem, "nextSibling", until );
3139 prevUntil: function( elem, i, until ) {
3140 return dir( elem, "previousSibling", until );
3142 siblings: function( elem ) {
3143 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3145 children: function( elem ) {
3146 return siblings( elem.firstChild );
3148 contents: function( elem ) {
3149 if ( nodeName( elem, "iframe" ) ) {
3150 return elem.contentDocument;
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;
3160 return jQuery.merge( [], elem.childNodes );
3162 }, function( name, fn ) {
3163 jQuery.fn[ name ] = function( until, selector ) {
3164 var matched = jQuery.map( this, fn, until );
3166 if ( name.slice( -5 ) !== "Until" ) {
3170 if ( selector && typeof selector === "string" ) {
3171 matched = jQuery.filter( selector, matched );
3174 if ( this.length > 1 ) {
3176 // Remove duplicates
3177 if ( !guaranteedUnique[ name ] ) {
3178 jQuery.uniqueSort( matched );
3181 // Reverse order for parents* and prev-derivatives
3182 if ( rparentsprev.test( name ) ) {
3187 return this.pushStack( matched );
3190 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3194 // Convert String-formatted options into Object-formatted ones
3195 function createOptions( options ) {
3197 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3198 object[ flag ] = true;
3204 * Create a callback list using the following parameters:
3206 * options: an optional list of space-separated options that will change how
3207 * the callback list behaves or a more traditional option object
3209 * By default a callback list will act like an event callback list and can be
3210 * "fired" multiple times.
3214 * once: will ensure the callback list can only be fired once (like a Deferred)
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)
3220 * unique: will ensure a callback can only be added once (no duplicate in the list)
3222 * stopOnFalse: interrupt callings when a callback returns false
3225 jQuery.Callbacks = function( options ) {
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 );
3233 var // Flag to know if list is currently firing
3236 // Last fire value for non-forgettable lists
3239 // Flag to know if list was already fired
3242 // Flag to prevent firing
3245 // Actual callback list
3248 // Queue of execution data for repeatable lists
3251 // Index of currently firing callback (modified by add/remove as needed)
3257 // Enforce single-firing
3258 locked = locked || options.once;
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 ) {
3267 // Run callback and check for early termination
3268 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3269 options.stopOnFalse ) {
3271 // Jump to end and forget the data so .add doesn't re-fire
3272 firingIndex = list.length;
3278 // Forget the data if we're done with it
3279 if ( !options.memory ) {
3285 // Clean up if we're done firing for good
3288 // Keep an empty list if we have data for future add calls
3292 // Otherwise, this object is spent
3299 // Actual Callbacks object
3302 // Add a callback or a collection of callbacks to the list
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 );
3312 ( function add( args ) {
3313 jQuery.each( args, function( _, arg ) {
3314 if ( isFunction( arg ) ) {
3315 if ( !options.unique || !self.has( arg ) ) {
3318 } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3320 // Inspect recursively
3326 if ( memory && !firing ) {
3333 // Remove a callback from the list
3334 remove: function() {
3335 jQuery.each( arguments, function( _, arg ) {
3337 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3338 list.splice( index, 1 );
3340 // Handle firing indexes
3341 if ( index <= firingIndex ) {
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 ) {
3353 jQuery.inArray( fn, list ) > -1 :
3357 // Remove all callbacks from the list
3365 // Disable .fire and .add
3366 // Abort any current/pending executions
3367 // Clear all callbacks and values
3368 disable: function() {
3369 locked = queue = [];
3373 disabled: function() {
3378 // Also disable .add unless we have memory (since it would have no effect)
3379 // Abort any pending executions
3381 locked = queue = [];
3382 if ( !memory && !firing ) {
3387 locked: function() {
3391 // Call all callbacks with the given context and arguments
3392 fireWith: function( context, args ) {
3395 args = [ context, args.slice ? args.slice() : args ];
3404 // Call all the callbacks with the given arguments
3406 self.fireWith( this, arguments );
3410 // To know if the callbacks have already been called at least once
3420 function Identity( v ) {
3423 function Thrower( ex ) {
3427 function adoptValue( value, resolve, reject, noValue ) {
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 );
3437 } else if ( value && isFunction( ( method = value.then ) ) ) {
3438 method.call( value, resolve, reject );
3440 // Other non-thenables
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 ) );
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.
3454 // Support: Android 4.0 only
3455 // Strict mode functions invoked without .call/.apply get global-object context
3456 reject.apply( undefined, [ value ] );
3462 Deferred: function( func ) {
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" ]
3479 always: function() {
3480 deferred.done( arguments ).fail( arguments );
3483 "catch": function( fn ) {
3484 return promise.then( null, fn );
3487 // Keep pipe for back-compat
3488 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3489 var fns = arguments;
3491 return jQuery.Deferred( function( newDefer ) {
3492 jQuery.each( tuples, function( i, tuple ) {
3494 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3495 var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
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 ) ) {
3504 .progress( newDefer.notify )
3505 .done( newDefer.resolve )
3506 .fail( newDefer.reject );
3508 newDefer[ tuple[ 0 ] + "With" ](
3510 fn ? [ returned ] : arguments
3518 then: function( onFulfilled, onRejected, onProgress ) {
3520 function resolve( depth, deferred, handler, special ) {
3524 mightThrow = function() {
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 ) {
3534 returned = handler.apply( that, args );
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" );
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
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" ) &&
3555 // Handle a returned thenable
3556 if ( isFunction( then ) ) {
3558 // Special processors (notify) just wait for resolution
3562 resolve( maxDepth, deferred, Identity, special ),
3563 resolve( maxDepth, deferred, Thrower, special )
3566 // Normal processors (resolve) also hook into progress
3569 // ...and disregard older resolution values
3574 resolve( maxDepth, deferred, Identity, special ),
3575 resolve( maxDepth, deferred, Thrower, special ),
3576 resolve( maxDepth, deferred, Identity,
3577 deferred.notifyWith )
3581 // Handle all other returned values
3584 // Only substitute handlers pass on context
3585 // and multiple values (non-spec behavior)
3586 if ( handler !== Identity ) {
3588 args = [ returned ];
3591 // Process the value(s)
3592 // Default process is resolve
3593 ( special || deferred.resolveWith )( that, args );
3597 // Only normal processors (resolve) catch and reject exceptions
3605 if ( jQuery.Deferred.exceptionHook ) {
3606 jQuery.Deferred.exceptionHook( e,
3607 process.stackTrace );
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 ) {
3615 // Only substitute handlers pass on context
3616 // and multiple values (non-spec behavior)
3617 if ( handler !== Thrower ) {
3622 deferred.rejectWith( that, args );
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
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();
3640 window.setTimeout( process );
3645 return jQuery.Deferred( function( newDefer ) {
3647 // progress_handlers.add( ... )
3648 tuples[ 0 ][ 3 ].add(
3652 isFunction( onProgress ) ?
3659 // fulfilled_handlers.add( ... )
3660 tuples[ 1 ][ 3 ].add(
3664 isFunction( onFulfilled ) ?
3670 // rejected_handlers.add( ... )
3671 tuples[ 2 ][ 3 ].add(
3675 isFunction( onRejected ) ?
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;
3691 // Add list-specific methods
3692 jQuery.each( tuples, function( i, tuple ) {
3693 var list = tuple[ 2 ],
3694 stateString = tuple[ 5 ];
3696 // promise.progress = list.add
3697 // promise.done = list.add
3698 // promise.fail = list.add
3699 promise[ tuple[ 1 ] ] = list.add;
3702 if ( stateString ) {
3706 // state = "resolved" (i.e., fulfilled)
3707 // state = "rejected"
3708 state = stateString;
3711 // rejected_callbacks.disable
3712 // fulfilled_callbacks.disable
3713 tuples[ 3 - i ][ 2 ].disable,
3715 // rejected_handlers.disable
3716 // fulfilled_handlers.disable
3717 tuples[ 3 - i ][ 3 ].disable,
3719 // progress_callbacks.lock
3720 tuples[ 0 ][ 2 ].lock,
3722 // progress_handlers.lock
3723 tuples[ 0 ][ 3 ].lock
3727 // progress_handlers.fire
3728 // fulfilled_handlers.fire
3729 // rejected_handlers.fire
3730 list.add( tuple[ 3 ].fire );
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 );
3740 // deferred.notifyWith = list.fireWith
3741 // deferred.resolveWith = list.fireWith
3742 // deferred.rejectWith = list.fireWith
3743 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3746 // Make the deferred a promise
3747 promise.promise( deferred );
3749 // Call given func if any
3751 func.call( deferred, deferred );
3759 when: function( singleValue ) {
3762 // count of uncompleted subordinates
3763 remaining = arguments.length,
3765 // count of unprocessed arguments
3768 // subordinate fulfillment data
3769 resolveContexts = Array( i ),
3770 resolveValues = slice.call( arguments ),
3772 // the master Deferred
3773 master = jQuery.Deferred(),
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 );
3786 // Single- and empty arguments are adopted like Promise.resolve
3787 if ( remaining <= 1 ) {
3788 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3791 // Use .then() to unwrap secondary thenables (cf. gh-3000)
3792 if ( master.state() === "pending" ||
3793 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3795 return master.then();
3799 // Multiple arguments are aggregated like Promise.all array elements
3801 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3804 return master.promise();
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$/;
3813 jQuery.Deferred.exceptionHook = function( error, stack ) {
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 );
3825 jQuery.readyException = function( error ) {
3826 window.setTimeout( function() {
3834 // The deferred used on DOM ready
3835 var readyList = jQuery.Deferred();
3837 jQuery.fn.ready = function( fn ) {
3842 // Wrap jQuery.readyException in a function so that the lookup
3843 // happens at the time of error handling instead of callback
3845 .catch( function( error ) {
3846 jQuery.readyException( error );
3854 // Is the DOM ready to be used? Set to true once it occurs.
3857 // A counter to track how many items to wait for before
3858 // the ready event fires. See #6781
3861 // Handle when the DOM is ready
3862 ready: function( wait ) {
3864 // Abort if there are pending holds or we're already ready
3865 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3869 // Remember that the DOM is ready
3870 jQuery.isReady = true;
3872 // If a normal DOM Ready event fired, decrement, and wait if need be
3873 if ( wait !== true && --jQuery.readyWait > 0 ) {
3877 // If there are functions bound, to execute
3878 readyList.resolveWith( document, [ jQuery ] );
3882 jQuery.ready.then = readyList.then;
3884 // The ready event handler and self cleanup method
3885 function completed() {
3886 document.removeEventListener( "DOMContentLoaded", completed );
3887 window.removeEventListener( "load", completed );
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 ) ) {
3898 // Handle it asynchronously to allow scripts the opportunity to delay ready
3899 window.setTimeout( jQuery.ready );
3903 // Use the handy event callback
3904 document.addEventListener( "DOMContentLoaded", completed );
3906 // A fallback to window.onload, that will always work
3907 window.addEventListener( "load", completed );
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 ) {
3921 if ( toType( key ) === "object" ) {
3924 access( elems, fn, i, key[ i ], true, emptyGet, raw );
3928 } else if ( value !== undefined ) {
3931 if ( !isFunction( value ) ) {
3937 // Bulk operations run against the entire set
3939 fn.call( elems, value );
3942 // ...except when executing function values
3945 fn = function( elem, key, value ) {
3946 return bulk.call( jQuery( elem ), value );
3952 for ( ; i < len; i++ ) {
3954 elems[ i ], key, raw ?
3956 value.call( elems[ i ], i, fn( elems[ i ], key ) )
3968 return fn.call( elems );
3971 return len ? fn( elems[ 0 ], key ) : emptyGet;
3975 // Matches dashed string for camelizing
3976 var rmsPrefix = /^-ms-/,
3977 rdashAlpha = /-([a-z])/g;
3979 // Used by camelCase as callback to replace()
3980 function fcamelCase( all, letter ) {
3981 return letter.toUpperCase();
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 );
3990 var acceptData = function( owner ) {
3994 // - Node.ELEMENT_NODE
3995 // - Node.DOCUMENT_NODE
3998 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4005 this.expando = jQuery.expando + Data.uid++;
4012 cache: function( owner ) {
4014 // Check if the owner object already has a cache
4015 var value = owner[ this.expando ];
4017 // If not, create one
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 ) ) {
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;
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
4035 Object.defineProperty( owner, this.expando, {
4045 set: function( owner, data, value ) {
4047 cache = this.cache( owner );
4049 // Handle: [ owner, key, value ] args
4050 // Always use camelCase key (gh-2257)
4051 if ( typeof data === "string" ) {
4052 cache[ camelCase( data ) ] = value;
4054 // Handle: [ owner, { properties } ] args
4057 // Copy the properties one-by-one to the cache object
4058 for ( prop in data ) {
4059 cache[ camelCase( prop ) ] = data[ prop ];
4064 get: function( owner, key ) {
4065 return key === undefined ?
4066 this.cache( owner ) :
4068 // Always use camelCase key (gh-2257)
4069 owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4071 access: function( owner, key, value ) {
4073 // In cases where either:
4075 // 1. No key was specified
4076 // 2. A string key was specified, but no value provided
4078 // Take the "read" path and allow the get method to determine
4079 // which value to return, respectively either:
4081 // 1. The entire cache object
4082 // 2. The data stored at the key
4084 if ( key === undefined ||
4085 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4087 return this.get( owner, key );
4090 // When the key is not a string, or both a key and value
4091 // are specified, set or extend (existing objects) with either:
4093 // 1. An object of properties
4094 // 2. A key and value
4096 this.set( owner, key, value );
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;
4102 remove: function( owner, key ) {
4104 cache = owner[ this.expando ];
4106 if ( cache === undefined ) {
4110 if ( key !== undefined ) {
4112 // Support array or space separated string of keys
4113 if ( Array.isArray( key ) ) {
4115 // If key is an array of keys...
4116 // We always set camelCase keys, so remove that.
4117 key = key.map( camelCase );
4119 key = camelCase( key );
4121 // If a key with the spaces exists, use it.
4122 // Otherwise, create an array by matching non-whitespace
4123 key = key in cache ?
4125 ( key.match( rnothtmlwhite ) || [] );
4131 delete cache[ key[ i ] ];
4135 // Remove the expando if there's no more data
4136 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
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;
4145 delete owner[ this.expando ];
4149 hasData: function( owner ) {
4150 var cache = owner[ this.expando ];
4151 return cache !== undefined && !jQuery.isEmptyObject( cache );
4154 var dataPriv = new Data();
4156 var dataUser = new Data();
4160 // Implementation Summary
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
4170 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4171 rmultiDash = /[A-Z]/g;
4173 function getData( data ) {
4174 if ( data === "true" ) {
4178 if ( data === "false" ) {
4182 if ( data === "null" ) {
4186 // Only convert to a number if it doesn't change the string
4187 if ( data === +data + "" ) {
4191 if ( rbrace.test( data ) ) {
4192 return JSON.parse( data );
4198 function dataAttr( elem, key, data ) {
4201 // If nothing was found internally, try to fetch any
4202 // data from the HTML5 data-* attribute
4203 if ( data === undefined && elem.nodeType === 1 ) {
4204 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4205 data = elem.getAttribute( name );
4207 if ( typeof data === "string" ) {
4209 data = getData( data );
4212 // Make sure we set the data so it isn't changed later
4213 dataUser.set( elem, key, data );
4222 hasData: function( elem ) {
4223 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4226 data: function( elem, name, data ) {
4227 return dataUser.access( elem, name, data );
4230 removeData: function( elem, name ) {
4231 dataUser.remove( elem, name );
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 );
4240 _removeData: function( elem, name ) {
4241 dataPriv.remove( elem, name );
4246 data: function( key, value ) {
4249 attrs = elem && elem.attributes;
4252 if ( key === undefined ) {
4253 if ( this.length ) {
4254 data = dataUser.get( elem );
4256 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4260 // Support: IE 11 only
4261 // The attrs elements can be null (#14894)
4263 name = attrs[ i ].name;
4264 if ( name.indexOf( "data-" ) === 0 ) {
4265 name = camelCase( name.slice( 5 ) );
4266 dataAttr( elem, name, data[ name ] );
4270 dataPriv.set( elem, "hasDataAttrs", true );
4277 // Sets multiple values
4278 if ( typeof key === "object" ) {
4279 return this.each( function() {
4280 dataUser.set( this, key );
4284 return access( this, function( value ) {
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 ) {
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 ) {
4301 // Attempt to "discover" the data in
4302 // HTML5 custom data-* attrs
4303 data = dataAttr( elem, key );
4304 if ( data !== undefined ) {
4308 // We tried really hard, but the data doesn't exist.
4313 this.each( function() {
4315 // We always store the camelCased key
4316 dataUser.set( this, key, value );
4318 }, null, value, arguments.length > 1, null, true );
4321 removeData: function( key ) {
4322 return this.each( function() {
4323 dataUser.remove( this, key );
4330 queue: function( elem, type, data ) {
4334 type = ( type || "fx" ) + "queue";
4335 queue = dataPriv.get( elem, type );
4337 // Speed up dequeue by getting out quickly if this is just a lookup
4339 if ( !queue || Array.isArray( data ) ) {
4340 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4349 dequeue: function( elem, type ) {
4350 type = type || "fx";
4352 var queue = jQuery.queue( elem, type ),
4353 startLength = queue.length,
4355 hooks = jQuery._queueHooks( elem, type ),
4357 jQuery.dequeue( elem, type );
4360 // If the fx queue is dequeued, always remove the progress sentinel
4361 if ( fn === "inprogress" ) {
4368 // Add a progress sentinel to prevent the fx queue from being
4369 // automatically dequeued
4370 if ( type === "fx" ) {
4371 queue.unshift( "inprogress" );
4374 // Clear up the last queue stop function
4376 fn.call( elem, next, hooks );
4379 if ( !startLength && hooks ) {
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 ] );
4396 queue: function( type, data ) {
4399 if ( typeof type !== "string" ) {
4405 if ( arguments.length < setter ) {
4406 return jQuery.queue( this[ 0 ], type );
4409 return data === undefined ?
4411 this.each( function() {
4412 var queue = jQuery.queue( this, type, data );
4414 // Ensure a hooks for this queue
4415 jQuery._queueHooks( this, type );
4417 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4418 jQuery.dequeue( this, type );
4422 dequeue: function( type ) {
4423 return this.each( function() {
4424 jQuery.dequeue( this, type );
4427 clearQueue: function( type ) {
4428 return this.queue( type || "fx", [] );
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 ) {
4436 defer = jQuery.Deferred(),
4439 resolve = function() {
4440 if ( !( --count ) ) {
4441 defer.resolveWith( elements, [ elements ] );
4445 if ( typeof type !== "string" ) {
4449 type = type || "fx";
4452 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4453 if ( tmp && tmp.empty ) {
4455 tmp.empty.add( resolve );
4459 return defer.promise( obj );
4462 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4464 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4467 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4469 var isHiddenWithinTree = function( elem, el ) {
4471 // isHiddenWithinTree might be called from jQuery#filter function;
4472 // in that case, element will be second argument
4475 // Inline style trumps all
4476 return elem.style.display === "none" ||
4477 elem.style.display === "" &&
4479 // Otherwise, check computed style
4480 // Support: Firefox <=43 - 45
4481 // Disconnected elements can have computed display: none, so first confirm that elem is
4483 jQuery.contains( elem.ownerDocument, elem ) &&
4485 jQuery.css( elem, "display" ) === "none";
4488 var swap = function( elem, options, callback, args ) {
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 ];
4498 ret = callback.apply( elem, args || [] );
4500 // Revert the old values
4501 for ( name in options ) {
4502 elem.style[ name ] = old[ name ];
4511 function adjustCSS( elem, prop, valueParts, tween ) {
4512 var adjusted, scale,
4514 currentValue = tween ?
4519 return jQuery.css( elem, prop, "" );
4521 initial = currentValue(),
4522 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
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 ) );
4528 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4530 // Support: Firefox <=54
4531 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4532 initial = initial / 2;
4534 // Trust units reported by jQuery.css
4535 unit = unit || initialInUnit[ 3 ];
4537 // Iteratively approximate from a nonzero starting point
4538 initialInUnit = +initial || 1;
4540 while ( maxIterations-- ) {
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 ) {
4548 initialInUnit = initialInUnit / scale;
4552 initialInUnit = initialInUnit * 2;
4553 jQuery.style( elem, prop, initialInUnit + unit );
4555 // Make sure we update the tween properties later on
4556 valueParts = valueParts || [];
4560 initialInUnit = +initialInUnit || +initial || 0;
4562 // Apply relative offset (+=/-=) if specified
4563 adjusted = valueParts[ 1 ] ?
4564 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4568 tween.start = initialInUnit;
4569 tween.end = adjusted;
4576 var defaultDisplayMap = {};
4578 function getDefaultDisplay( elem ) {
4580 doc = elem.ownerDocument,
4581 nodeName = elem.nodeName,
4582 display = defaultDisplayMap[ nodeName ];
4588 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4589 display = jQuery.css( temp, "display" );
4591 temp.parentNode.removeChild( temp );
4593 if ( display === "none" ) {
4596 defaultDisplayMap[ nodeName ] = display;
4601 function showHide( elements, show ) {
4605 length = elements.length;
4607 // Determine new display value for elements that need to change
4608 for ( ; index < length; index++ ) {
4609 elem = elements[ index ];
4610 if ( !elem.style ) {
4614 display = elem.style.display;
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 = "";
4626 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4627 values[ index ] = getDefaultDisplay( elem );
4630 if ( display !== "none" ) {
4631 values[ index ] = "none";
4633 // Remember what we're overwriting
4634 dataPriv.set( elem, "display", display );
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 ];
4651 return showHide( this, true );
4654 return showHide( this );
4656 toggle: function( state ) {
4657 if ( typeof state === "boolean" ) {
4658 return state ? this.show() : this.hide();
4661 return this.each( function() {
4662 if ( isHiddenWithinTree( this ) ) {
4663 jQuery( this ).show();
4665 jQuery( this ).hide();
4670 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4672 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
4674 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4678 // We have to close these tags to support XHTML (#13200)
4681 // Support: IE <=9 only
4682 option: [ 1, "<select multiple='multiple'>", "</select>" ],
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>" ],
4692 _default: [ 0, "", "" ]
4695 // Support: IE <=9 only
4696 wrapMap.optgroup = wrapMap.option;
4698 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4699 wrapMap.th = wrapMap.td;
4702 function getAll( context, tag ) {
4704 // Support: IE <=9 - 11 only
4705 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4708 if ( typeof context.getElementsByTagName !== "undefined" ) {
4709 ret = context.getElementsByTagName( tag || "*" );
4711 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4712 ret = context.querySelectorAll( tag || "*" );
4718 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4719 return jQuery.merge( [ context ], ret );
4726 // Mark scripts as having already been evaluated
4727 function setGlobalEval( elems, refElements ) {
4731 for ( ; i < l; i++ ) {
4735 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4741 var rhtml = /<|&#?\w+;/;
4743 function buildFragment( elems, context, scripts, selection, ignored ) {
4744 var elem, tmp, tag, wrap, contains, j,
4745 fragment = context.createDocumentFragment(),
4750 for ( ; i < l; i++ ) {
4753 if ( elem || elem === 0 ) {
4755 // Add nodes directly
4756 if ( toType( elem ) === "object" ) {
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 );
4762 // Convert non-html into a text node
4763 } else if ( !rhtml.test( elem ) ) {
4764 nodes.push( context.createTextNode( elem ) );
4766 // Convert html into DOM nodes
4768 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
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 ];
4775 // Descend through wrappers to the right content
4778 tmp = tmp.lastChild;
4781 // Support: Android <=4.0 only, PhantomJS 1 only
4782 // push.apply(_, arraylike) throws on ancient WebKit
4783 jQuery.merge( nodes, tmp.childNodes );
4785 // Remember the top-level container
4786 tmp = fragment.firstChild;
4788 // Ensure the created nodes are orphaned (#12392)
4789 tmp.textContent = "";
4794 // Remove wrapper from fragment
4795 fragment.textContent = "";
4798 while ( ( elem = nodes[ i++ ] ) ) {
4800 // Skip elements already in the context collection (trac-4087)
4801 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4803 ignored.push( elem );
4808 contains = jQuery.contains( elem.ownerDocument, elem );
4810 // Append to fragment
4811 tmp = getAll( fragment.appendChild( elem ), "script" );
4813 // Preserve script evaluation history
4815 setGlobalEval( tmp );
4818 // Capture executables
4821 while ( ( elem = tmp[ j++ ] ) ) {
4822 if ( rscriptType.test( elem.type || "" ) ) {
4823 scripts.push( elem );
4834 var fragment = document.createDocumentFragment(),
4835 div = fragment.appendChild( document.createElement( "div" ) ),
4836 input = document.createElement( "input" );
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" );
4846 div.appendChild( input );
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;
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;
4857 var documentElement = document.documentElement;
4863 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4864 rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4866 function returnTrue() {
4870 function returnFalse() {
4874 // Support: IE <=9 only
4875 // See #13393 for more info
4876 function safeActiveElement() {
4878 return document.activeElement;
4882 function on( elem, types, selector, data, fn, one ) {
4885 // Types can be a map of types/handlers
4886 if ( typeof types === "object" ) {
4888 // ( types-Object, selector, data )
4889 if ( typeof selector !== "string" ) {
4891 // ( types-Object, data )
4892 data = data || selector;
4893 selector = undefined;
4895 for ( type in types ) {
4896 on( elem, type, selector, data, types[ type ], one );
4901 if ( data == null && fn == null ) {
4905 data = selector = undefined;
4906 } else if ( fn == null ) {
4907 if ( typeof selector === "string" ) {
4909 // ( types, selector, fn )
4914 // ( types, data, fn )
4917 selector = undefined;
4920 if ( fn === false ) {
4928 fn = function( event ) {
4930 // Can use an empty set, since event contains the info
4931 jQuery().off( event );
4932 return origFn.apply( this, arguments );
4935 // Use same guid so caller can remove using origFn
4936 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4938 return elem.each( function() {
4939 jQuery.event.add( this, types, fn, data, selector );
4944 * Helper functions for managing events -- not part of the public interface.
4945 * Props to Dean Edwards' addEvent library for many of the ideas.
4951 add: function( elem, types, handler, data, selector ) {
4953 var handleObjIn, eventHandle, tmp,
4954 events, t, handleObj,
4955 special, handlers, type, namespaces, origType,
4956 elemData = dataPriv.get( elem );
4958 // Don't attach events to noData or text/comment nodes (but allow plain objects)
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;
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)
4973 jQuery.find.matchesSelector( documentElement, selector );
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++;
4981 // Init the element's event structure and main handler, if this is the first
4982 if ( !( events = elemData.events ) ) {
4983 events = elemData.events = {};
4985 if ( !( eventHandle = elemData.handle ) ) {
4986 eventHandle = elemData.handle = function( e ) {
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;
4995 // Handle multiple events separated by a space
4996 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
4999 tmp = rtypenamespace.exec( types[ t ] ) || [];
5000 type = origType = tmp[ 1 ];
5001 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5003 // There *must* be a type, no attaching namespace-only handlers
5008 // If event changes its type, use the special event handlers for the changed type
5009 special = jQuery.event.special[ type ] || {};
5011 // If selector defined, determine special event api type, otherwise given type
5012 type = ( selector ? special.delegateType : special.bindType ) || type;
5014 // Update special based on newly reset type
5015 special = jQuery.event.special[ type ] || {};
5017 // handleObj is passed to all event handlers
5018 handleObj = jQuery.extend( {
5025 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5026 namespace: namespaces.join( "." )
5029 // Init the event handler queue if we're the first
5030 if ( !( handlers = events[ type ] ) ) {
5031 handlers = events[ type ] = [];
5032 handlers.delegateCount = 0;
5034 // Only use addEventListener if the special events handler returns false
5035 if ( !special.setup ||
5036 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5038 if ( elem.addEventListener ) {
5039 elem.addEventListener( type, eventHandle );
5044 if ( special.add ) {
5045 special.add.call( elem, handleObj );
5047 if ( !handleObj.handler.guid ) {
5048 handleObj.handler.guid = handler.guid;
5052 // Add to the element's handler list, delegates in front
5054 handlers.splice( handlers.delegateCount++, 0, handleObj );
5056 handlers.push( handleObj );
5059 // Keep track of which events have ever been used, for event optimization
5060 jQuery.event.global[ type ] = true;
5065 // Detach an event or set of events from an element
5066 remove: function( elem, types, handler, selector, mappedTypes ) {
5068 var j, origCount, tmp,
5069 events, t, handleObj,
5070 special, handlers, type, namespaces, origType,
5071 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5073 if ( !elemData || !( events = elemData.events ) ) {
5077 // Once for each type.namespace in types; type may be omitted
5078 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5081 tmp = rtypenamespace.exec( types[ t ] ) || [];
5082 type = origType = tmp[ 1 ];
5083 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5085 // Unbind all events (on this namespace, if provided) for the element
5087 for ( type in events ) {
5088 jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5093 special = jQuery.event.special[ type ] || {};
5094 type = ( selector ? special.delegateType : special.bindType ) || type;
5095 handlers = events[ type ] || [];
5097 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5099 // Remove matching events
5100 origCount = j = handlers.length;
5102 handleObj = handlers[ j ];
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 );
5111 if ( handleObj.selector ) {
5112 handlers.delegateCount--;
5114 if ( special.remove ) {
5115 special.remove.call( elem, handleObj );
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 ) {
5126 jQuery.removeEvent( elem, type, elemData.handle );
5129 delete events[ type ];
5133 // Remove data and the expando if it's no longer used
5134 if ( jQuery.isEmptyObject( events ) ) {
5135 dataPriv.remove( elem, "handle events" );
5139 dispatch: function( nativeEvent ) {
5141 // Make a writable jQuery.Event from the native event object
5142 var event = jQuery.event.fix( nativeEvent );
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 ] || {};
5149 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5152 for ( i = 1; i < arguments.length; i++ ) {
5153 args[ i ] = arguments[ i ];
5156 event.delegateTarget = this;
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 ) {
5163 // Determine handlers
5164 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5166 // Run delegates first; they may want to stop propagation beneath us
5168 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5169 event.currentTarget = matched.elem;
5172 while ( ( handleObj = matched.handlers[ j++ ] ) &&
5173 !event.isImmediatePropagationStopped() ) {
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 ) ) {
5179 event.handleObj = handleObj;
5180 event.data = handleObj.data;
5182 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5183 handleObj.handler ).apply( matched.elem, args );
5185 if ( ret !== undefined ) {
5186 if ( ( event.result = ret ) === false ) {
5187 event.preventDefault();
5188 event.stopPropagation();
5195 // Call the postDispatch hook for the mapped type
5196 if ( special.postDispatch ) {
5197 special.postDispatch.call( this, event );
5200 return event.result;
5203 handlers: function( event, handlers ) {
5204 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5206 delegateCount = handlers.delegateCount,
5209 // Find delegate handlers
5210 if ( delegateCount &&
5213 // Black-hole SVG <use> instance trees (trac-13180)
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 ) ) {
5223 for ( ; cur !== this; cur = cur.parentNode || this ) {
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 ];
5233 // Don't conflict with Object.prototype properties (#13203)
5234 sel = handleObj.selector + " ";
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;
5241 if ( matchedSelectors[ sel ] ) {
5242 matchedHandlers.push( handleObj );
5245 if ( matchedHandlers.length ) {
5246 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5252 // Add the remaining (directly-bound) handlers
5254 if ( delegateCount < handlers.length ) {
5255 handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5258 return handlerQueue;
5261 addProp: function( name, hook ) {
5262 Object.defineProperty( jQuery.Event.prototype, name, {
5266 get: isFunction( hook ) ?
5268 if ( this.originalEvent ) {
5269 return hook( this.originalEvent );
5273 if ( this.originalEvent ) {
5274 return this.originalEvent[ name ];
5278 set: function( value ) {
5279 Object.defineProperty( this, name, {
5289 fix: function( originalEvent ) {
5290 return originalEvent[ jQuery.expando ] ?
5292 new jQuery.Event( originalEvent );
5298 // Prevent triggered image.load events from bubbling to window.load
5303 // Fire native event if possible so blur/focus sequence is correct
5304 trigger: function() {
5305 if ( this !== safeActiveElement() && this.focus ) {
5310 delegateType: "focusin"
5313 trigger: function() {
5314 if ( this === safeActiveElement() && this.blur ) {
5319 delegateType: "focusout"
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" ) ) {
5331 // For cross-browser consistency, don't fire native .click() on links
5332 _default: function( event ) {
5333 return nodeName( event.target, "a" );
5338 postDispatch: function( event ) {
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;
5350 jQuery.removeEvent = function( elem, type, handle ) {
5352 // This "if" is needed for plain objects
5353 if ( elem.removeEventListener ) {
5354 elem.removeEventListener( type, handle );
5358 jQuery.Event = function( src, props ) {
5360 // Allow instantiation without the 'new' keyword
5361 if ( !( this instanceof jQuery.Event ) ) {
5362 return new jQuery.Event( src, props );
5366 if ( src && src.type ) {
5367 this.originalEvent = src;
5368 this.type = src.type;
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 &&
5375 // Support: Android <=2.3 only
5376 src.returnValue === false ?
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 :
5387 this.currentTarget = src.currentTarget;
5388 this.relatedTarget = src.relatedTarget;
5395 // Put explicitly provided properties onto the event object
5397 jQuery.extend( this, props );
5400 // Create a timestamp if incoming event doesn't have one
5401 this.timeStamp = src && src.timeStamp || Date.now();
5404 this[ jQuery.expando ] = true;
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,
5416 preventDefault: function() {
5417 var e = this.originalEvent;
5419 this.isDefaultPrevented = returnTrue;
5421 if ( e && !this.isSimulated ) {
5425 stopPropagation: function() {
5426 var e = this.originalEvent;
5428 this.isPropagationStopped = returnTrue;
5430 if ( e && !this.isSimulated ) {
5431 e.stopPropagation();
5434 stopImmediatePropagation: function() {
5435 var e = this.originalEvent;
5437 this.isImmediatePropagationStopped = returnTrue;
5439 if ( e && !this.isSimulated ) {
5440 e.stopImmediatePropagation();
5443 this.stopPropagation();
5447 // Includes all common event props including KeyEvent and MouseEvent specific props
5452 changedTouches: true,
5475 targetTouches: true,
5479 which: function( event ) {
5480 var button = event.button;
5482 // Add which for key events
5483 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5484 return event.charCode != null ? event.charCode : event.keyCode;
5487 // Add which for click: 1 === left; 2 === middle; 3 === right
5488 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5506 }, jQuery.event.addProp );
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
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).
5517 mouseenter: "mouseover",
5518 mouseleave: "mouseout",
5519 pointerenter: "pointerover",
5520 pointerleave: "pointerout"
5521 }, function( orig, fix ) {
5522 jQuery.event.special[ orig ] = {
5526 handle: function( event ) {
5529 related = event.relatedTarget,
5530 handleObj = event.handleObj;
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 );
5546 on: function( types, selector, data, fn ) {
5547 return on( this, types, selector, data, fn );
5549 one: function( types, selector, data, fn ) {
5550 return on( this, types, selector, data, fn, 1 );
5552 off: function( types, selector, fn ) {
5553 var handleObj, type;
5554 if ( types && types.preventDefault && types.handleObj ) {
5556 // ( event ) dispatched jQuery.Event
5557 handleObj = types.handleObj;
5558 jQuery( types.delegateTarget ).off(
5559 handleObj.namespace ?
5560 handleObj.origType + "." + handleObj.namespace :
5567 if ( typeof types === "object" ) {
5569 // ( types-object [, selector] )
5570 for ( type in types ) {
5571 this.off( type, selector, types[ type ] );
5575 if ( selector === false || typeof selector === "function" ) {
5579 selector = undefined;
5581 if ( fn === false ) {
5584 return this.each( function() {
5585 jQuery.event.remove( this, types, fn, selector );
5593 /* eslint-disable max-len */
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,
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,
5605 // checked="checked" or checked
5606 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5607 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
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" ) ) {
5614 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
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;
5625 function restoreScript( elem ) {
5626 if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5627 elem.type = elem.type.slice( 5 );
5629 elem.removeAttribute( "type" );
5635 function cloneCopyEvent( src, dest ) {
5636 var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5638 if ( dest.nodeType !== 1 ) {
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;
5649 delete pdataCur.handle;
5650 pdataCur.events = {};
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 ] );
5660 // 2. Copy user data
5661 if ( dataUser.hasData( src ) ) {
5662 udataOld = dataUser.access( src );
5663 udataCur = jQuery.extend( {}, udataOld );
5665 dataUser.set( dest, udataCur );
5669 // Fix IE bugs, see support tests
5670 function fixInput( src, dest ) {
5671 var nodeName = dest.nodeName.toLowerCase();
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;
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;
5683 function domManip( collection, args, callback, ignored ) {
5685 // Flatten any nested arrays
5686 args = concat.apply( [], args );
5688 var fragment, first, scripts, hasScripts, node, doc,
5690 l = collection.length,
5693 valueIsFunction = isFunction( value );
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() );
5704 domManip( self, args, callback, ignored );
5709 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5710 first = fragment.firstChild;
5712 if ( fragment.childNodes.length === 1 ) {
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;
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++ ) {
5727 if ( i !== iNoClone ) {
5728 node = jQuery.clone( node, true, true );
5730 // Keep references to cloned scripts for later restoration
5733 // Support: Android <=4.0 only, PhantomJS 1 only
5734 // push.apply(_, arraylike) throws on ancient WebKit
5735 jQuery.merge( scripts, getAll( node, "script" ) );
5739 callback.call( collection[ i ], node, i );
5743 doc = scripts[ scripts.length - 1 ].ownerDocument;
5746 jQuery.map( scripts, restoreScript );
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 ) ) {
5755 if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) {
5757 // Optional AJAX dependency, but won't run scripts if not present
5758 if ( jQuery._evalUrl ) {
5759 jQuery._evalUrl( node.src );
5762 DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node );
5773 function remove( elem, selector, keepData ) {
5775 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5778 for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5779 if ( !keepData && node.nodeType === 1 ) {
5780 jQuery.cleanData( getAll( node ) );
5783 if ( node.parentNode ) {
5784 if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
5785 setGlobalEval( getAll( node, "script" ) );
5787 node.parentNode.removeChild( node );
5795 htmlPrefilter: function( html ) {
5796 return html.replace( rxhtmlTag, "<$1></$2>" );
5799 clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5800 var i, l, srcElements, destElements,
5801 clone = elem.cloneNode( true ),
5802 inPage = jQuery.contains( elem.ownerDocument, elem );
5804 // Fix IE cloning issues
5805 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5806 !jQuery.isXMLDoc( elem ) ) {
5808 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5809 destElements = getAll( clone );
5810 srcElements = getAll( elem );
5812 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5813 fixInput( srcElements[ i ], destElements[ i ] );
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 );
5823 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5824 cloneCopyEvent( srcElements[ i ], destElements[ i ] );
5827 cloneCopyEvent( elem, clone );
5831 // Preserve script evaluation history
5832 destElements = getAll( clone, "script" );
5833 if ( destElements.length > 0 ) {
5834 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5837 // Return the cloned set
5841 cleanData: function( elems ) {
5842 var data, elem, type,
5843 special = jQuery.event.special,
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 );
5854 // This is a shortcut to avoid jQuery.event.remove's overhead
5856 jQuery.removeEvent( elem, type, data.handle );
5861 // Support: Chrome <=35 - 45+
5862 // Assign undefined instead of using delete, see Data#remove
5863 elem[ dataPriv.expando ] = undefined;
5865 if ( elem[ dataUser.expando ] ) {
5867 // Support: Chrome <=35 - 45+
5868 // Assign undefined instead of using delete, see Data#remove
5869 elem[ dataUser.expando ] = undefined;
5877 detach: function( selector ) {
5878 return remove( this, selector, true );
5881 remove: function( selector ) {
5882 return remove( this, selector );
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;
5894 }, null, value, arguments.length );
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 );
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 );
5915 before: function() {
5916 return domManip( this, arguments, function( elem ) {
5917 if ( this.parentNode ) {
5918 this.parentNode.insertBefore( elem, this );
5924 return domManip( this, arguments, function( elem ) {
5925 if ( this.parentNode ) {
5926 this.parentNode.insertBefore( elem, this.nextSibling );
5935 for ( ; ( elem = this[ i ] ) != null; i++ ) {
5936 if ( elem.nodeType === 1 ) {
5938 // Prevent memory leaks
5939 jQuery.cleanData( getAll( elem, false ) );
5941 // Remove any remaining nodes
5942 elem.textContent = "";
5949 clone: function( dataAndEvents, deepDataAndEvents ) {
5950 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5951 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5953 return this.map( function() {
5954 return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5958 html: function( value ) {
5959 return access( this, function( value ) {
5960 var elem = this[ 0 ] || {},
5964 if ( value === undefined && elem.nodeType === 1 ) {
5965 return elem.innerHTML;
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() ] ) {
5972 value = jQuery.htmlPrefilter( value );
5975 for ( ; i < l; i++ ) {
5976 elem = this[ i ] || {};
5978 // Remove element nodes and prevent memory leaks
5979 if ( elem.nodeType === 1 ) {
5980 jQuery.cleanData( getAll( elem, false ) );
5981 elem.innerHTML = value;
5987 // If using innerHTML throws an exception, use the fallback method
5992 this.empty().append( value );
5994 }, null, value, arguments.length );
5997 replaceWith: function() {
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;
6004 if ( jQuery.inArray( this, ignored ) < 0 ) {
6005 jQuery.cleanData( getAll( this ) );
6007 parent.replaceChild( elem, this );
6011 // Force callback invocation
6018 prependTo: "prepend",
6019 insertBefore: "before",
6020 insertAfter: "after",
6021 replaceAll: "replaceWith"
6022 }, function( name, original ) {
6023 jQuery.fn[ name ] = function( selector ) {
6026 insert = jQuery( selector ),
6027 last = insert.length - 1,
6030 for ( ; i <= last; i++ ) {
6031 elems = i === last ? this : this.clone( true );
6032 jQuery( insert[ i ] )[ original ]( elems );
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() );
6039 return this.pushStack( ret );
6042 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6044 var getStyles = function( elem ) {
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;
6051 if ( !view || !view.opener ) {
6055 return view.getComputedStyle( elem );
6058 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
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() {
6068 // This is a singleton, we need to execute it only once
6073 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6074 "margin-top:1px;padding:0;border:0";
6076 "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6077 "margin:auto;border:1px;padding:1px;" +
6079 documentElement.appendChild( container ).appendChild( div );
6081 var divStyle = window.getComputedStyle( div );
6082 pixelPositionVal = divStyle.top !== "1%";
6084 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6085 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
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;
6092 // Support: IE 9 - 11 only
6093 // Detect misreporting of content dimensions for box-sizing:border-box elements
6094 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6096 // Support: IE 9 only
6097 // Detect overflow:scroll screwiness (gh-3699)
6098 div.style.position = "absolute";
6099 scrollboxSizeVal = div.offsetWidth === 36 || "absolute";
6101 documentElement.removeChild( container );
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
6108 function roundPixelMeasures( measure ) {
6109 return Math.round( parseFloat( measure ) );
6112 var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6113 reliableMarginLeftVal,
6114 container = document.createElement( "div" ),
6115 div = document.createElement( "div" );
6117 // Finish early in limited (non-browser) environments
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";
6128 jQuery.extend( support, {
6129 boxSizingReliable: function() {
6130 computeStyleTests();
6131 return boxSizingReliableVal;
6133 pixelBoxStyles: function() {
6134 computeStyleTests();
6135 return pixelBoxStylesVal;
6137 pixelPosition: function() {
6138 computeStyleTests();
6139 return pixelPositionVal;
6141 reliableMarginLeft: function() {
6142 computeStyleTests();
6143 return reliableMarginLeftVal;
6145 scrollboxSize: function() {
6146 computeStyleTests();
6147 return scrollboxSizeVal;
6153 function curCSS( elem, name, computed ) {
6154 var width, minWidth, maxWidth, ret,
6156 // Support: Firefox 51+
6157 // Retrieving style before computed somehow
6158 // fixes an issue with getting wrong values
6159 // on detached elements
6162 computed = computed || getStyles( elem );
6164 // getPropertyValue is needed for:
6165 // .css('filter') (IE 9 only, #12537)
6166 // .css('--customProperty) (#3144)
6168 ret = computed.getPropertyValue( name ) || computed[ name ];
6170 if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6171 ret = jQuery.style( elem, name );
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 ) ) {
6181 // Remember the original values
6182 width = style.width;
6183 minWidth = style.minWidth;
6184 maxWidth = style.maxWidth;
6186 // Put in the new values to get a computed value out
6187 style.minWidth = style.maxWidth = style.width = ret;
6188 ret = computed.width;
6190 // Revert the changed values
6191 style.width = width;
6192 style.minWidth = minWidth;
6193 style.maxWidth = maxWidth;
6197 return ret !== undefined ?
6199 // Support: IE <=9 - 11 only
6200 // IE returns zIndex value as an integer.
6206 function addGetHookIf( conditionFn, hookFn ) {
6208 // Define the hook, we'll check on the first run if it's really needed.
6211 if ( conditionFn() ) {
6213 // Hook not needed (or it's not possible to use it due
6214 // to missing dependency), remove it.
6219 // Hook needed; redefine it so that the support test is not executed again.
6220 return ( this.get = hookFn ).apply( this, arguments );
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 = {
6239 cssPrefixes = [ "Webkit", "Moz", "ms" ],
6240 emptyStyle = document.createElement( "div" ).style;
6242 // Return a css property mapped to a potentially vendor prefixed property
6243 function vendorPropName( name ) {
6245 // Shortcut for names that are not vendor prefixed
6246 if ( name in emptyStyle ) {
6250 // Check for vendor prefixed names
6251 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6252 i = cssPrefixes.length;
6255 name = cssPrefixes[ i ] + capName;
6256 if ( name in emptyStyle ) {
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 ];
6267 ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name;
6272 function setPositiveNumber( elem, value, subtract ) {
6274 // Any relative (+/-) values have already been
6275 // normalized at this point
6276 var matches = rcssNum.exec( value );
6279 // Guard against undefined "subtract", e.g., when used as in cssHooks
6280 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6284 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6285 var i = dimension === "width" ? 1 : 0,
6289 // Adjustment may not be necessary
6290 if ( box === ( isBorderBox ? "border" : "content" ) ) {
6294 for ( ; i < 4; i += 2 ) {
6296 // Both box models exclude margin
6297 if ( box === "margin" ) {
6298 delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6301 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6302 if ( !isBorderBox ) {
6305 delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6307 // For "border" or "margin", add border
6308 if ( box !== "padding" ) {
6309 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6311 // But still keep track of it otherwise
6313 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6316 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6317 // "padding" or "margin"
6320 // For "content", subtract padding
6321 if ( box === "content" ) {
6322 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6325 // For "content" or "padding", subtract border
6326 if ( box !== "margin" ) {
6327 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6332 // Account for positive content-box scroll gutter when requested by providing computedVal
6333 if ( !isBorderBox && computedVal >= 0 ) {
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 ) ] -
6349 function getWidthOrHeight( elem, dimension, extra ) {
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;
6357 // Support: Firefox <=54
6358 // Return a confounding non-pixel value or feign ignorance, as appropriate.
6359 if ( rnumnonpx.test( val ) ) {
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 ] );
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" ) {
6378 val = elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ];
6380 // offsetWidth/offsetHeight provide border-box values
6381 valueIsBorderBox = true;
6384 // Normalize "" and auto
6385 val = parseFloat( val ) || 0;
6387 // Adjust for the element's box model
6392 extra || ( isBorderBox ? "border" : "content" ),
6396 // Provide the current computed size to request scroll gutter calculation (gh-3589)
6404 // Add in style property hooks for overriding the default
6405 // behavior of getting and setting a style property
6408 get: function( elem, computed ) {
6411 // We should always get a number back from opacity
6412 var ret = curCSS( elem, "opacity" );
6413 return ret === "" ? "1" : ret;
6419 // Don't automatically add "px" to these possibly-unitless properties
6421 "animationIterationCount": true,
6422 "columnCount": true,
6423 "fillOpacity": true,
6436 // Add in properties whose names you wish to fix before
6437 // setting or getting the value
6440 // Get and set the style property on a DOM Node
6441 style: function( elem, name, value, extra ) {
6443 // Don't set styles on text and comment nodes
6444 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
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 ),
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 );
6461 // Gets hook for the prefixed version, then unprefixed version
6462 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6464 // Check if we're setting a value
6465 if ( value !== undefined ) {
6466 type = typeof value;
6468 // Convert "+=" or "-=" to relative numbers (#7345)
6469 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6470 value = adjustCSS( elem, name, ret );
6476 // Make sure that null and NaN values aren't set (#7116)
6477 if ( value == null || value !== value ) {
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" );
6486 // background-* props affect original clone's values
6487 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6488 style[ name ] = "inherit";
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 ) {
6495 if ( isCustomProp ) {
6496 style.setProperty( name, value );
6498 style[ name ] = value;
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 ) {
6511 // Otherwise just get the value from the style object
6512 return style[ name ];
6516 css: function( elem, name, extra, styles ) {
6517 var val, num, hooks,
6518 origName = camelCase( name ),
6519 isCustomProp = rcustomProp.test( name );
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 );
6528 // Try prefixed name followed by the unprefixed name
6529 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
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 );
6536 // Otherwise, if a way to get the computed value exists, use that
6537 if ( val === undefined ) {
6538 val = curCSS( elem, name, styles );
6541 // Convert "normal" to computed value
6542 if ( val === "normal" && name in cssNormalTransform ) {
6543 val = cssNormalTransform[ name ];
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;
6556 jQuery.each( [ "height", "width" ], function( i, dimension ) {
6557 jQuery.cssHooks[ dimension ] = {
6558 get: function( elem, computed, extra ) {
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" ) ) &&
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 );
6575 getWidthOrHeight( elem, dimension, extra );
6579 set: function( elem, value, extra ) {
6581 styles = getStyles( elem ),
6582 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6583 subtract = extra && boxModelAdjustment(
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 ) -
6602 // Convert to pixels if value adjustment is needed
6603 if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6604 ( matches[ 3 ] || "px" ) !== "px" ) {
6606 elem.style[ dimension ] = value;
6607 value = jQuery.css( elem, dimension );
6610 return setPositiveNumber( elem, value, subtract );
6615 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6616 function( elem, computed ) {
6618 return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6619 elem.getBoundingClientRect().left -
6620 swap( elem, { marginLeft: 0 }, function() {
6621 return elem.getBoundingClientRect().left;
6628 // These hooks are used by animate to expand properties
6633 }, function( prefix, suffix ) {
6634 jQuery.cssHooks[ prefix + suffix ] = {
6635 expand: function( value ) {
6639 // Assumes a single number if not a string
6640 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6642 for ( ; i < 4; i++ ) {
6643 expanded[ prefix + cssExpand[ i ] + suffix ] =
6644 parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6651 if ( prefix !== "margin" ) {
6652 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6657 css: function( name, value ) {
6658 return access( this, function( elem, name, value ) {
6663 if ( Array.isArray( name ) ) {
6664 styles = getStyles( elem );
6667 for ( ; i < len; i++ ) {
6668 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6674 return value !== undefined ?
6675 jQuery.style( elem, name, value ) :
6676 jQuery.css( elem, name );
6677 }, name, value, arguments.length > 1 );
6682 function Tween( elem, options, prop, end, easing ) {
6683 return new Tween.prototype.init( elem, options, prop, end, easing );
6685 jQuery.Tween = Tween;
6689 init: function( elem, options, prop, end, easing, unit ) {
6692 this.easing = easing || jQuery.easing._default;
6693 this.options = options;
6694 this.start = this.now = this.cur();
6696 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6699 var hooks = Tween.propHooks[ this.prop ];
6701 return hooks && hooks.get ?
6703 Tween.propHooks._default.get( this );
6705 run: function( percent ) {
6707 hooks = Tween.propHooks[ this.prop ];
6709 if ( this.options.duration ) {
6710 this.pos = eased = jQuery.easing[ this.easing ](
6711 percent, this.options.duration * percent, 0, 1, this.options.duration
6714 this.pos = eased = percent;
6716 this.now = ( this.end - this.start ) * eased + this.start;
6718 if ( this.options.step ) {
6719 this.options.step.call( this.elem, this.now, this );
6722 if ( hooks && hooks.set ) {
6725 Tween.propHooks._default.set( this );
6731 Tween.prototype.init.prototype = Tween.prototype;
6735 get: function( tween ) {
6738 // Use a property on the element directly when it is not a DOM element,
6739 // or when there is no matching style property that exists.
6740 if ( tween.elem.nodeType !== 1 ||
6741 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
6742 return tween.elem[ tween.prop ];
6745 // Passing an empty string as a 3rd parameter to .css will automatically
6746 // attempt a parseFloat and fallback to a string if the parse fails.
6747 // Simple values such as "10px" are parsed to Float;
6748 // complex values such as "rotate(1rad)" are returned as-is.
6749 result = jQuery.css( tween.elem, tween.prop, "" );
6751 // Empty strings, null, undefined and "auto" are converted to 0.
6752 return !result || result === "auto" ? 0 : result;
6754 set: function( tween ) {
6756 // Use step hook for back compat.
6757 // Use cssHook if its there.
6758 // Use .style if available and use plain properties where available.
6759 if ( jQuery.fx.step[ tween.prop ] ) {
6760 jQuery.fx.step[ tween.prop ]( tween );
6761 } else if ( tween.elem.nodeType === 1 &&
6762 ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
6763 jQuery.cssHooks[ tween.prop ] ) ) {
6764 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6766 tween.elem[ tween.prop ] = tween.now;
6772 // Support: IE <=9 only
6773 // Panic based approach to setting things on disconnected nodes
6774 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6775 set: function( tween ) {
6776 if ( tween.elem.nodeType && tween.elem.parentNode ) {
6777 tween.elem[ tween.prop ] = tween.now;
6783 linear: function( p ) {
6786 swing: function( p ) {
6787 return 0.5 - Math.cos( p * Math.PI ) / 2;
6792 jQuery.fx = Tween.prototype.init;
6794 // Back compat <1.8 extension point
6795 jQuery.fx.step = {};
6802 rfxtypes = /^(?:toggle|show|hide)$/,
6803 rrun = /queueHooks$/;
6805 function schedule() {
6807 if ( document.hidden === false && window.requestAnimationFrame ) {
6808 window.requestAnimationFrame( schedule );
6810 window.setTimeout( schedule, jQuery.fx.interval );
6817 // Animations created synchronously will run synchronously
6818 function createFxNow() {
6819 window.setTimeout( function() {
6822 return ( fxNow = Date.now() );
6825 // Generate parameters to create a standard animation
6826 function genFx( type, includeWidth ) {
6829 attrs = { height: type };
6831 // If we include width, step value is 1 to do all cssExpand values,
6832 // otherwise step value is 2 to skip over Left and Right
6833 includeWidth = includeWidth ? 1 : 0;
6834 for ( ; i < 4; i += 2 - includeWidth ) {
6835 which = cssExpand[ i ];
6836 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
6839 if ( includeWidth ) {
6840 attrs.opacity = attrs.width = type;
6846 function createTween( value, prop, animation ) {
6848 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
6850 length = collection.length;
6851 for ( ; index < length; index++ ) {
6852 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
6854 // We're done with this property
6860 function defaultPrefilter( elem, props, opts ) {
6861 var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
6862 isBox = "width" in props || "height" in props,
6866 hidden = elem.nodeType && isHiddenWithinTree( elem ),
6867 dataShow = dataPriv.get( elem, "fxshow" );
6869 // Queue-skipping animations hijack the fx hooks
6870 if ( !opts.queue ) {
6871 hooks = jQuery._queueHooks( elem, "fx" );
6872 if ( hooks.unqueued == null ) {
6874 oldfire = hooks.empty.fire;
6875 hooks.empty.fire = function() {
6876 if ( !hooks.unqueued ) {
6883 anim.always( function() {
6885 // Ensure the complete handler is called before this completes
6886 anim.always( function() {
6888 if ( !jQuery.queue( elem, "fx" ).length ) {
6895 // Detect show/hide animations
6896 for ( prop in props ) {
6897 value = props[ prop ];
6898 if ( rfxtypes.test( value ) ) {
6899 delete props[ prop ];
6900 toggle = toggle || value === "toggle";
6901 if ( value === ( hidden ? "hide" : "show" ) ) {
6903 // Pretend to be hidden if this is a "show" and
6904 // there is still data from a stopped show/hide
6905 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
6908 // Ignore all other no-op show/hide data
6913 orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
6917 // Bail out if this is a no-op like .hide().hide()
6918 propTween = !jQuery.isEmptyObject( props );
6919 if ( !propTween && jQuery.isEmptyObject( orig ) ) {
6923 // Restrict "overflow" and "display" styles during box animations
6924 if ( isBox && elem.nodeType === 1 ) {
6926 // Support: IE <=9 - 11, Edge 12 - 15
6927 // Record all 3 overflow attributes because IE does not infer the shorthand
6928 // from identically-valued overflowX and overflowY and Edge just mirrors
6929 // the overflowX value there.
6930 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
6932 // Identify a display type, preferring old show/hide data over the CSS cascade
6933 restoreDisplay = dataShow && dataShow.display;
6934 if ( restoreDisplay == null ) {
6935 restoreDisplay = dataPriv.get( elem, "display" );
6937 display = jQuery.css( elem, "display" );
6938 if ( display === "none" ) {
6939 if ( restoreDisplay ) {
6940 display = restoreDisplay;
6943 // Get nonempty value(s) by temporarily forcing visibility
6944 showHide( [ elem ], true );
6945 restoreDisplay = elem.style.display || restoreDisplay;
6946 display = jQuery.css( elem, "display" );
6947 showHide( [ elem ] );
6951 // Animate inline elements as inline-block
6952 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
6953 if ( jQuery.css( elem, "float" ) === "none" ) {
6955 // Restore the original display value at the end of pure show/hide animations
6957 anim.done( function() {
6958 style.display = restoreDisplay;
6960 if ( restoreDisplay == null ) {
6961 display = style.display;
6962 restoreDisplay = display === "none" ? "" : display;
6965 style.display = "inline-block";
6970 if ( opts.overflow ) {
6971 style.overflow = "hidden";
6972 anim.always( function() {
6973 style.overflow = opts.overflow[ 0 ];
6974 style.overflowX = opts.overflow[ 1 ];
6975 style.overflowY = opts.overflow[ 2 ];
6979 // Implement show/hide animations
6981 for ( prop in orig ) {
6983 // General show/hide setup for this element animation
6986 if ( "hidden" in dataShow ) {
6987 hidden = dataShow.hidden;
6990 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
6993 // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
6995 dataShow.hidden = !hidden;
6998 // Show elements before animating them
7000 showHide( [ elem ], true );
7003 /* eslint-disable no-loop-func */
7005 anim.done( function() {
7007 /* eslint-enable no-loop-func */
7009 // The final step of a "hide" animation is actually hiding the element
7011 showHide( [ elem ] );
7013 dataPriv.remove( elem, "fxshow" );
7014 for ( prop in orig ) {
7015 jQuery.style( elem, prop, orig[ prop ] );
7020 // Per-property setup
7021 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7022 if ( !( prop in dataShow ) ) {
7023 dataShow[ prop ] = propTween.start;
7025 propTween.end = propTween.start;
7026 propTween.start = 0;
7032 function propFilter( props, specialEasing ) {
7033 var index, name, easing, value, hooks;
7035 // camelCase, specialEasing and expand cssHook pass
7036 for ( index in props ) {
7037 name = camelCase( index );
7038 easing = specialEasing[ name ];
7039 value = props[ index ];
7040 if ( Array.isArray( value ) ) {
7041 easing = value[ 1 ];
7042 value = props[ index ] = value[ 0 ];
7045 if ( index !== name ) {
7046 props[ name ] = value;
7047 delete props[ index ];
7050 hooks = jQuery.cssHooks[ name ];
7051 if ( hooks && "expand" in hooks ) {
7052 value = hooks.expand( value );
7053 delete props[ name ];
7055 // Not quite $.extend, this won't overwrite existing keys.
7056 // Reusing 'index' because we have the correct "name"
7057 for ( index in value ) {
7058 if ( !( index in props ) ) {
7059 props[ index ] = value[ index ];
7060 specialEasing[ index ] = easing;
7064 specialEasing[ name ] = easing;
7069 function Animation( elem, properties, options ) {
7073 length = Animation.prefilters.length,
7074 deferred = jQuery.Deferred().always( function() {
7076 // Don't match elem in the :animated selector
7083 var currentTime = fxNow || createFxNow(),
7084 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7086 // Support: Android 2.3 only
7087 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7088 temp = remaining / animation.duration || 0,
7091 length = animation.tweens.length;
7093 for ( ; index < length; index++ ) {
7094 animation.tweens[ index ].run( percent );
7097 deferred.notifyWith( elem, [ animation, percent, remaining ] );
7099 // If there's more to do, yield
7100 if ( percent < 1 && length ) {
7104 // If this was an empty animation, synthesize a final progress notification
7106 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7109 // Resolve the animation and report its conclusion
7110 deferred.resolveWith( elem, [ animation ] );
7113 animation = deferred.promise( {
7115 props: jQuery.extend( {}, properties ),
7116 opts: jQuery.extend( true, {
7118 easing: jQuery.easing._default
7120 originalProperties: properties,
7121 originalOptions: options,
7122 startTime: fxNow || createFxNow(),
7123 duration: options.duration,
7125 createTween: function( prop, end ) {
7126 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7127 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7128 animation.tweens.push( tween );
7131 stop: function( gotoEnd ) {
7134 // If we are going to the end, we want to run all the tweens
7135 // otherwise we skip this part
7136 length = gotoEnd ? animation.tweens.length : 0;
7141 for ( ; index < length; index++ ) {
7142 animation.tweens[ index ].run( 1 );
7145 // Resolve when we played the last frame; otherwise, reject
7147 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7148 deferred.resolveWith( elem, [ animation, gotoEnd ] );
7150 deferred.rejectWith( elem, [ animation, gotoEnd ] );
7155 props = animation.props;
7157 propFilter( props, animation.opts.specialEasing );
7159 for ( ; index < length; index++ ) {
7160 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7162 if ( isFunction( result.stop ) ) {
7163 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7164 result.stop.bind( result );
7170 jQuery.map( props, createTween, animation );
7172 if ( isFunction( animation.opts.start ) ) {
7173 animation.opts.start.call( elem, animation );
7176 // Attach callbacks from options
7178 .progress( animation.opts.progress )
7179 .done( animation.opts.done, animation.opts.complete )
7180 .fail( animation.opts.fail )
7181 .always( animation.opts.always );
7184 jQuery.extend( tick, {
7187 queue: animation.opts.queue
7194 jQuery.Animation = jQuery.extend( Animation, {
7197 "*": [ function( prop, value ) {
7198 var tween = this.createTween( prop, value );
7199 adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7204 tweener: function( props, callback ) {
7205 if ( isFunction( props ) ) {
7209 props = props.match( rnothtmlwhite );
7214 length = props.length;
7216 for ( ; index < length; index++ ) {
7217 prop = props[ index ];
7218 Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7219 Animation.tweeners[ prop ].unshift( callback );
7223 prefilters: [ defaultPrefilter ],
7225 prefilter: function( callback, prepend ) {
7227 Animation.prefilters.unshift( callback );
7229 Animation.prefilters.push( callback );
7234 jQuery.speed = function( speed, easing, fn ) {
7235 var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7236 complete: fn || !fn && easing ||
7237 isFunction( speed ) && speed,
7239 easing: fn && easing || easing && !isFunction( easing ) && easing
7242 // Go to the end state if fx are off
7243 if ( jQuery.fx.off ) {
7247 if ( typeof opt.duration !== "number" ) {
7248 if ( opt.duration in jQuery.fx.speeds ) {
7249 opt.duration = jQuery.fx.speeds[ opt.duration ];
7252 opt.duration = jQuery.fx.speeds._default;
7257 // Normalize opt.queue - true/undefined/null -> "fx"
7258 if ( opt.queue == null || opt.queue === true ) {
7263 opt.old = opt.complete;
7265 opt.complete = function() {
7266 if ( isFunction( opt.old ) ) {
7267 opt.old.call( this );
7271 jQuery.dequeue( this, opt.queue );
7279 fadeTo: function( speed, to, easing, callback ) {
7281 // Show any hidden elements after setting opacity to 0
7282 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7284 // Animate to the value specified
7285 .end().animate( { opacity: to }, speed, easing, callback );
7287 animate: function( prop, speed, easing, callback ) {
7288 var empty = jQuery.isEmptyObject( prop ),
7289 optall = jQuery.speed( speed, easing, callback ),
7290 doAnimation = function() {
7292 // Operate on a copy of prop so per-property easing won't be lost
7293 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7295 // Empty animations, or finishing resolves immediately
7296 if ( empty || dataPriv.get( this, "finish" ) ) {
7300 doAnimation.finish = doAnimation;
7302 return empty || optall.queue === false ?
7303 this.each( doAnimation ) :
7304 this.queue( optall.queue, doAnimation );
7306 stop: function( type, clearQueue, gotoEnd ) {
7307 var stopQueue = function( hooks ) {
7308 var stop = hooks.stop;
7313 if ( typeof type !== "string" ) {
7314 gotoEnd = clearQueue;
7318 if ( clearQueue && type !== false ) {
7319 this.queue( type || "fx", [] );
7322 return this.each( function() {
7324 index = type != null && type + "queueHooks",
7325 timers = jQuery.timers,
7326 data = dataPriv.get( this );
7329 if ( data[ index ] && data[ index ].stop ) {
7330 stopQueue( data[ index ] );
7333 for ( index in data ) {
7334 if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7335 stopQueue( data[ index ] );
7340 for ( index = timers.length; index--; ) {
7341 if ( timers[ index ].elem === this &&
7342 ( type == null || timers[ index ].queue === type ) ) {
7344 timers[ index ].anim.stop( gotoEnd );
7346 timers.splice( index, 1 );
7350 // Start the next in the queue if the last step wasn't forced.
7351 // Timers currently will call their complete callbacks, which
7352 // will dequeue but only if they were gotoEnd.
7353 if ( dequeue || !gotoEnd ) {
7354 jQuery.dequeue( this, type );
7358 finish: function( type ) {
7359 if ( type !== false ) {
7360 type = type || "fx";
7362 return this.each( function() {
7364 data = dataPriv.get( this ),
7365 queue = data[ type + "queue" ],
7366 hooks = data[ type + "queueHooks" ],
7367 timers = jQuery.timers,
7368 length = queue ? queue.length : 0;
7370 // Enable finishing flag on private data
7373 // Empty the queue first
7374 jQuery.queue( this, type, [] );
7376 if ( hooks && hooks.stop ) {
7377 hooks.stop.call( this, true );
7380 // Look for any active animations, and finish them
7381 for ( index = timers.length; index--; ) {
7382 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7383 timers[ index ].anim.stop( true );
7384 timers.splice( index, 1 );
7388 // Look for any animations in the old queue and finish them
7389 for ( index = 0; index < length; index++ ) {
7390 if ( queue[ index ] && queue[ index ].finish ) {
7391 queue[ index ].finish.call( this );
7395 // Turn off finishing flag
7401 jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
7402 var cssFn = jQuery.fn[ name ];
7403 jQuery.fn[ name ] = function( speed, easing, callback ) {
7404 return speed == null || typeof speed === "boolean" ?
7405 cssFn.apply( this, arguments ) :
7406 this.animate( genFx( name, true ), speed, easing, callback );
7410 // Generate shortcuts for custom animations
7412 slideDown: genFx( "show" ),
7413 slideUp: genFx( "hide" ),
7414 slideToggle: genFx( "toggle" ),
7415 fadeIn: { opacity: "show" },
7416 fadeOut: { opacity: "hide" },
7417 fadeToggle: { opacity: "toggle" }
7418 }, function( name, props ) {
7419 jQuery.fn[ name ] = function( speed, easing, callback ) {
7420 return this.animate( props, speed, easing, callback );
7425 jQuery.fx.tick = function() {
7428 timers = jQuery.timers;
7432 for ( ; i < timers.length; i++ ) {
7433 timer = timers[ i ];
7435 // Run the timer and safely remove it when done (allowing for external removal)
7436 if ( !timer() && timers[ i ] === timer ) {
7437 timers.splice( i--, 1 );
7441 if ( !timers.length ) {
7447 jQuery.fx.timer = function( timer ) {
7448 jQuery.timers.push( timer );
7452 jQuery.fx.interval = 13;
7453 jQuery.fx.start = function() {
7462 jQuery.fx.stop = function() {
7466 jQuery.fx.speeds = {
7475 // Based off of the plugin by Clint Helfers, with permission.
7476 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7477 jQuery.fn.delay = function( time, type ) {
7478 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7479 type = type || "fx";
7481 return this.queue( type, function( next, hooks ) {
7482 var timeout = window.setTimeout( next, time );
7483 hooks.stop = function() {
7484 window.clearTimeout( timeout );
7491 var input = document.createElement( "input" ),
7492 select = document.createElement( "select" ),
7493 opt = select.appendChild( document.createElement( "option" ) );
7495 input.type = "checkbox";
7497 // Support: Android <=4.3 only
7498 // Default value for a checkbox should be "on"
7499 support.checkOn = input.value !== "";
7501 // Support: IE <=11 only
7502 // Must access selectedIndex to make default options select
7503 support.optSelected = opt.selected;
7505 // Support: IE <=11 only
7506 // An input loses its value after becoming a radio
7507 input = document.createElement( "input" );
7509 input.type = "radio";
7510 support.radioValue = input.value === "t";
7515 attrHandle = jQuery.expr.attrHandle;
7518 attr: function( name, value ) {
7519 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7522 removeAttr: function( name ) {
7523 return this.each( function() {
7524 jQuery.removeAttr( this, name );
7530 attr: function( elem, name, value ) {
7532 nType = elem.nodeType;
7534 // Don't get/set attributes on text, comment and attribute nodes
7535 if ( nType === 3 || nType === 8 || nType === 2 ) {
7539 // Fallback to prop when attributes are not supported
7540 if ( typeof elem.getAttribute === "undefined" ) {
7541 return jQuery.prop( elem, name, value );
7544 // Attribute hooks are determined by the lowercase version
7545 // Grab necessary hook if one is defined
7546 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7547 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7548 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7551 if ( value !== undefined ) {
7552 if ( value === null ) {
7553 jQuery.removeAttr( elem, name );
7557 if ( hooks && "set" in hooks &&
7558 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7562 elem.setAttribute( name, value + "" );
7566 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7570 ret = jQuery.find.attr( elem, name );
7572 // Non-existent attributes return null, we normalize to undefined
7573 return ret == null ? undefined : ret;
7578 set: function( elem, value ) {
7579 if ( !support.radioValue && value === "radio" &&
7580 nodeName( elem, "input" ) ) {
7581 var val = elem.value;
7582 elem.setAttribute( "type", value );
7592 removeAttr: function( elem, value ) {
7596 // Attribute names can contain non-HTML whitespace characters
7597 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
7598 attrNames = value && value.match( rnothtmlwhite );
7600 if ( attrNames && elem.nodeType === 1 ) {
7601 while ( ( name = attrNames[ i++ ] ) ) {
7602 elem.removeAttribute( name );
7608 // Hooks for boolean attributes
7610 set: function( elem, value, name ) {
7611 if ( value === false ) {
7613 // Remove boolean attributes when set to false
7614 jQuery.removeAttr( elem, name );
7616 elem.setAttribute( name, name );
7622 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
7623 var getter = attrHandle[ name ] || jQuery.find.attr;
7625 attrHandle[ name ] = function( elem, name, isXML ) {
7627 lowercaseName = name.toLowerCase();
7631 // Avoid an infinite loop by temporarily removing this function from the getter
7632 handle = attrHandle[ lowercaseName ];
7633 attrHandle[ lowercaseName ] = ret;
7634 ret = getter( elem, name, isXML ) != null ?
7637 attrHandle[ lowercaseName ] = handle;
7646 var rfocusable = /^(?:input|select|textarea|button)$/i,
7647 rclickable = /^(?:a|area)$/i;
7650 prop: function( name, value ) {
7651 return access( this, jQuery.prop, name, value, arguments.length > 1 );
7654 removeProp: function( name ) {
7655 return this.each( function() {
7656 delete this[ jQuery.propFix[ name ] || name ];
7662 prop: function( elem, name, value ) {
7664 nType = elem.nodeType;
7666 // Don't get/set properties on text, comment and attribute nodes
7667 if ( nType === 3 || nType === 8 || nType === 2 ) {
7671 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7673 // Fix name and attach hooks
7674 name = jQuery.propFix[ name ] || name;
7675 hooks = jQuery.propHooks[ name ];
7678 if ( value !== undefined ) {
7679 if ( hooks && "set" in hooks &&
7680 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7684 return ( elem[ name ] = value );
7687 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7691 return elem[ name ];
7696 get: function( elem ) {
7698 // Support: IE <=9 - 11 only
7699 // elem.tabIndex doesn't always return the
7700 // correct value when it hasn't been explicitly set
7701 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7702 // Use proper attribute retrieval(#12072)
7703 var tabindex = jQuery.find.attr( elem, "tabindex" );
7706 return parseInt( tabindex, 10 );
7710 rfocusable.test( elem.nodeName ) ||
7711 rclickable.test( elem.nodeName ) &&
7724 "class": "className"
7728 // Support: IE <=11 only
7729 // Accessing the selectedIndex property
7730 // forces the browser to respect setting selected
7732 // The getter ensures a default option is selected
7733 // when in an optgroup
7734 // eslint rule "no-unused-expressions" is disabled for this code
7735 // since it considers such accessions noop
7736 if ( !support.optSelected ) {
7737 jQuery.propHooks.selected = {
7738 get: function( elem ) {
7740 /* eslint no-unused-expressions: "off" */
7742 var parent = elem.parentNode;
7743 if ( parent && parent.parentNode ) {
7744 parent.parentNode.selectedIndex;
7748 set: function( elem ) {
7750 /* eslint no-unused-expressions: "off" */
7752 var parent = elem.parentNode;
7754 parent.selectedIndex;
7756 if ( parent.parentNode ) {
7757 parent.parentNode.selectedIndex;
7776 jQuery.propFix[ this.toLowerCase() ] = this;
7782 // Strip and collapse whitespace according to HTML spec
7783 // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
7784 function stripAndCollapse( value ) {
7785 var tokens = value.match( rnothtmlwhite ) || [];
7786 return tokens.join( " " );
7790 function getClass( elem ) {
7791 return elem.getAttribute && elem.getAttribute( "class" ) || "";
7794 function classesToArray( value ) {
7795 if ( Array.isArray( value ) ) {
7798 if ( typeof value === "string" ) {
7799 return value.match( rnothtmlwhite ) || [];
7805 addClass: function( value ) {
7806 var classes, elem, cur, curValue, clazz, j, finalValue,
7809 if ( isFunction( value ) ) {
7810 return this.each( function( j ) {
7811 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7815 classes = classesToArray( value );
7817 if ( classes.length ) {
7818 while ( ( elem = this[ i++ ] ) ) {
7819 curValue = getClass( elem );
7820 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7824 while ( ( clazz = classes[ j++ ] ) ) {
7825 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7830 // Only assign if different to avoid unneeded rendering.
7831 finalValue = stripAndCollapse( cur );
7832 if ( curValue !== finalValue ) {
7833 elem.setAttribute( "class", finalValue );
7842 removeClass: function( value ) {
7843 var classes, elem, cur, curValue, clazz, j, finalValue,
7846 if ( isFunction( value ) ) {
7847 return this.each( function( j ) {
7848 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7852 if ( !arguments.length ) {
7853 return this.attr( "class", "" );
7856 classes = classesToArray( value );
7858 if ( classes.length ) {
7859 while ( ( elem = this[ i++ ] ) ) {
7860 curValue = getClass( elem );
7862 // This expression is here for better compressibility (see addClass)
7863 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7867 while ( ( clazz = classes[ j++ ] ) ) {
7869 // Remove *all* instances
7870 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7871 cur = cur.replace( " " + clazz + " ", " " );
7875 // Only assign if different to avoid unneeded rendering.
7876 finalValue = stripAndCollapse( cur );
7877 if ( curValue !== finalValue ) {
7878 elem.setAttribute( "class", finalValue );
7887 toggleClass: function( value, stateVal ) {
7888 var type = typeof value,
7889 isValidValue = type === "string" || Array.isArray( value );
7891 if ( typeof stateVal === "boolean" && isValidValue ) {
7892 return stateVal ? this.addClass( value ) : this.removeClass( value );
7895 if ( isFunction( value ) ) {
7896 return this.each( function( i ) {
7897 jQuery( this ).toggleClass(
7898 value.call( this, i, getClass( this ), stateVal ),
7904 return this.each( function() {
7905 var className, i, self, classNames;
7907 if ( isValidValue ) {
7909 // Toggle individual class names
7911 self = jQuery( this );
7912 classNames = classesToArray( value );
7914 while ( ( className = classNames[ i++ ] ) ) {
7916 // Check each className given, space separated list
7917 if ( self.hasClass( className ) ) {
7918 self.removeClass( className );
7920 self.addClass( className );
7924 // Toggle whole class name
7925 } else if ( value === undefined || type === "boolean" ) {
7926 className = getClass( this );
7929 // Store className if set
7930 dataPriv.set( this, "__className__", className );
7933 // If the element has a class name or if we're passed `false`,
7934 // then remove the whole classname (if there was one, the above saved it).
7935 // Otherwise bring back whatever was previously saved (if anything),
7936 // falling back to the empty string if nothing was stored.
7937 if ( this.setAttribute ) {
7938 this.setAttribute( "class",
7939 className || value === false ?
7941 dataPriv.get( this, "__className__" ) || ""
7948 hasClass: function( selector ) {
7949 var className, elem,
7952 className = " " + selector + " ";
7953 while ( ( elem = this[ i++ ] ) ) {
7954 if ( elem.nodeType === 1 &&
7955 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
7967 var rreturn = /\r/g;
7970 val: function( value ) {
7971 var hooks, ret, valueIsFunction,
7974 if ( !arguments.length ) {
7976 hooks = jQuery.valHooks[ elem.type ] ||
7977 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7981 ( ret = hooks.get( elem, "value" ) ) !== undefined
7988 // Handle most common string cases
7989 if ( typeof ret === "string" ) {
7990 return ret.replace( rreturn, "" );
7993 // Handle cases where value is null/undef or number
7994 return ret == null ? "" : ret;
8000 valueIsFunction = isFunction( value );
8002 return this.each( function( i ) {
8005 if ( this.nodeType !== 1 ) {
8009 if ( valueIsFunction ) {
8010 val = value.call( this, i, jQuery( this ).val() );
8015 // Treat null/undefined as ""; convert numbers to string
8016 if ( val == null ) {
8019 } else if ( typeof val === "number" ) {
8022 } else if ( Array.isArray( val ) ) {
8023 val = jQuery.map( val, function( value ) {
8024 return value == null ? "" : value + "";
8028 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
8030 // If set returns undefined, fall back to normal setting
8031 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
8041 get: function( elem ) {
8043 var val = jQuery.find.attr( elem, "value" );
8044 return val != null ?
8047 // Support: IE <=10 - 11 only
8048 // option.text throws exceptions (#14686, #14858)
8049 // Strip and collapse whitespace
8050 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8051 stripAndCollapse( jQuery.text( elem ) );
8055 get: function( elem ) {
8056 var value, option, i,
8057 options = elem.options,
8058 index = elem.selectedIndex,
8059 one = elem.type === "select-one",
8060 values = one ? null : [],
8061 max = one ? index + 1 : options.length;
8067 i = one ? index : 0;
8070 // Loop through all the selected options
8071 for ( ; i < max; i++ ) {
8072 option = options[ i ];
8074 // Support: IE <=9 only
8075 // IE8-9 doesn't update selected after form reset (#2551)
8076 if ( ( option.selected || i === index ) &&
8078 // Don't return options that are disabled or in a disabled optgroup
8080 ( !option.parentNode.disabled ||
8081 !nodeName( option.parentNode, "optgroup" ) ) ) {
8083 // Get the specific value for the option
8084 value = jQuery( option ).val();
8086 // We don't need an array for one selects
8091 // Multi-Selects return an array
8092 values.push( value );
8099 set: function( elem, value ) {
8100 var optionSet, option,
8101 options = elem.options,
8102 values = jQuery.makeArray( value ),
8106 option = options[ i ];
8108 /* eslint-disable no-cond-assign */
8110 if ( option.selected =
8111 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8116 /* eslint-enable no-cond-assign */
8119 // Force browsers to behave consistently when non-matching value is set
8121 elem.selectedIndex = -1;
8129 // Radios and checkboxes getter/setter
8130 jQuery.each( [ "radio", "checkbox" ], function() {
8131 jQuery.valHooks[ this ] = {
8132 set: function( elem, value ) {
8133 if ( Array.isArray( value ) ) {
8134 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8138 if ( !support.checkOn ) {
8139 jQuery.valHooks[ this ].get = function( elem ) {
8140 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8148 // Return jQuery for attributes-only inclusion
8151 support.focusin = "onfocusin" in window;
8154 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
8155 stopPropagationCallback = function( e ) {
8156 e.stopPropagation();
8159 jQuery.extend( jQuery.event, {
8161 trigger: function( event, data, elem, onlyHandlers ) {
8163 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
8164 eventPath = [ elem || document ],
8165 type = hasOwn.call( event, "type" ) ? event.type : event,
8166 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8168 cur = lastElement = tmp = elem = elem || document;
8170 // Don't do events on text and comment nodes
8171 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8175 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8176 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8180 if ( type.indexOf( "." ) > -1 ) {
8182 // Namespaced trigger; create a regexp to match event type in handle()
8183 namespaces = type.split( "." );
8184 type = namespaces.shift();
8187 ontype = type.indexOf( ":" ) < 0 && "on" + type;
8189 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8190 event = event[ jQuery.expando ] ?
8192 new jQuery.Event( type, typeof event === "object" && event );
8194 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8195 event.isTrigger = onlyHandlers ? 2 : 3;
8196 event.namespace = namespaces.join( "." );
8197 event.rnamespace = event.namespace ?
8198 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8201 // Clean up the event in case it is being reused
8202 event.result = undefined;
8203 if ( !event.target ) {
8204 event.target = elem;
8207 // Clone any incoming data and prepend the event, creating the handler arg list
8208 data = data == null ?
8210 jQuery.makeArray( data, [ event ] );
8212 // Allow special events to draw outside the lines
8213 special = jQuery.event.special[ type ] || {};
8214 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8218 // Determine event propagation path in advance, per W3C events spec (#9951)
8219 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8220 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
8222 bubbleType = special.delegateType || type;
8223 if ( !rfocusMorph.test( bubbleType + type ) ) {
8224 cur = cur.parentNode;
8226 for ( ; cur; cur = cur.parentNode ) {
8227 eventPath.push( cur );
8231 // Only add window if we got to document (e.g., not plain obj or detached DOM)
8232 if ( tmp === ( elem.ownerDocument || document ) ) {
8233 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8237 // Fire handlers on the event path
8239 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8241 event.type = i > 1 ?
8243 special.bindType || type;
8246 handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
8247 dataPriv.get( cur, "handle" );
8249 handle.apply( cur, data );
8253 handle = ontype && cur[ ontype ];
8254 if ( handle && handle.apply && acceptData( cur ) ) {
8255 event.result = handle.apply( cur, data );
8256 if ( event.result === false ) {
8257 event.preventDefault();
8263 // If nobody prevented the default action, do it now
8264 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8266 if ( ( !special._default ||
8267 special._default.apply( eventPath.pop(), data ) === false ) &&
8268 acceptData( elem ) ) {
8270 // Call a native DOM method on the target with the same name as the event.
8271 // Don't do default actions on window, that's where global variables be (#6170)
8272 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
8274 // Don't re-trigger an onFOO event when we call its FOO() method
8275 tmp = elem[ ontype ];
8278 elem[ ontype ] = null;
8281 // Prevent re-triggering of the same event, since we already bubbled it above
8282 jQuery.event.triggered = type;
8284 if ( event.isPropagationStopped() ) {
8285 lastElement.addEventListener( type, stopPropagationCallback );
8290 if ( event.isPropagationStopped() ) {
8291 lastElement.removeEventListener( type, stopPropagationCallback );
8294 jQuery.event.triggered = undefined;
8297 elem[ ontype ] = tmp;
8303 return event.result;
8306 // Piggyback on a donor event to simulate a different one
8307 // Used only for `focus(in | out)` events
8308 simulate: function( type, elem, event ) {
8309 var e = jQuery.extend(
8318 jQuery.event.trigger( e, null, elem );
8325 trigger: function( type, data ) {
8326 return this.each( function() {
8327 jQuery.event.trigger( type, data, this );
8330 triggerHandler: function( type, data ) {
8331 var elem = this[ 0 ];
8333 return jQuery.event.trigger( type, data, elem, true );
8339 // Support: Firefox <=44
8340 // Firefox doesn't have focus(in | out) events
8341 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8343 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8344 // focus(in | out) events fire after focus & blur events,
8345 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8346 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8347 if ( !support.focusin ) {
8348 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8350 // Attach a single capturing handler on the document while someone wants focusin/focusout
8351 var handler = function( event ) {
8352 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8355 jQuery.event.special[ fix ] = {
8357 var doc = this.ownerDocument || this,
8358 attaches = dataPriv.access( doc, fix );
8361 doc.addEventListener( orig, handler, true );
8363 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8365 teardown: function() {
8366 var doc = this.ownerDocument || this,
8367 attaches = dataPriv.access( doc, fix ) - 1;
8370 doc.removeEventListener( orig, handler, true );
8371 dataPriv.remove( doc, fix );
8374 dataPriv.access( doc, fix, attaches );
8380 var location = window.location;
8382 var nonce = Date.now();
8384 var rquery = ( /\?/ );
8388 // Cross-browser xml parsing
8389 jQuery.parseXML = function( data ) {
8391 if ( !data || typeof data !== "string" ) {
8395 // Support: IE 9 - 11 only
8396 // IE throws on parseFromString with invalid input.
8398 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8403 if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8404 jQuery.error( "Invalid XML: " + data );
8413 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8414 rsubmittable = /^(?:input|select|textarea|keygen)/i;
8416 function buildParams( prefix, obj, traditional, add ) {
8419 if ( Array.isArray( obj ) ) {
8421 // Serialize array item.
8422 jQuery.each( obj, function( i, v ) {
8423 if ( traditional || rbracket.test( prefix ) ) {
8425 // Treat each array item as a scalar.
8430 // Item is non-scalar (array or object), encode its numeric index.
8432 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8440 } else if ( !traditional && toType( obj ) === "object" ) {
8442 // Serialize object item.
8443 for ( name in obj ) {
8444 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8449 // Serialize scalar item.
8454 // Serialize an array of form elements or a set of
8455 // key/values into a query string
8456 jQuery.param = function( a, traditional ) {
8459 add = function( key, valueOrFunction ) {
8461 // If value is a function, invoke it and use its return value
8462 var value = isFunction( valueOrFunction ) ?
8466 s[ s.length ] = encodeURIComponent( key ) + "=" +
8467 encodeURIComponent( value == null ? "" : value );
8470 // If an array was passed in, assume that it is an array of form elements.
8471 if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8473 // Serialize the form elements
8474 jQuery.each( a, function() {
8475 add( this.name, this.value );
8480 // If traditional, encode the "old" way (the way 1.3.2 or older
8481 // did it), otherwise encode params recursively.
8482 for ( prefix in a ) {
8483 buildParams( prefix, a[ prefix ], traditional, add );
8487 // Return the resulting serialization
8488 return s.join( "&" );
8492 serialize: function() {
8493 return jQuery.param( this.serializeArray() );
8495 serializeArray: function() {
8496 return this.map( function() {
8498 // Can add propHook for "elements" to filter or add form elements
8499 var elements = jQuery.prop( this, "elements" );
8500 return elements ? jQuery.makeArray( elements ) : this;
8502 .filter( function() {
8503 var type = this.type;
8505 // Use .is( ":disabled" ) so that fieldset[disabled] works
8506 return this.name && !jQuery( this ).is( ":disabled" ) &&
8507 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8508 ( this.checked || !rcheckableType.test( type ) );
8510 .map( function( i, elem ) {
8511 var val = jQuery( this ).val();
8513 if ( val == null ) {
8517 if ( Array.isArray( val ) ) {
8518 return jQuery.map( val, function( val ) {
8519 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8523 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8532 rantiCache = /([?&])_=[^&]*/,
8533 rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
8535 // #7653, #8125, #8152: local protocol detection
8536 rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8537 rnoContent = /^(?:GET|HEAD)$/,
8538 rprotocol = /^\/\//,
8541 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8542 * 2) These are called:
8543 * - BEFORE asking for a transport
8544 * - AFTER param serialization (s.data is a string if s.processData is true)
8545 * 3) key is the dataType
8546 * 4) the catchall symbol "*" can be used
8547 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8551 /* Transports bindings
8552 * 1) key is the dataType
8553 * 2) the catchall symbol "*" can be used
8554 * 3) selection will start with transport dataType and THEN go to "*" if needed
8558 // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8559 allTypes = "*/".concat( "*" ),
8561 // Anchor tag for parsing the document origin
8562 originAnchor = document.createElement( "a" );
8563 originAnchor.href = location.href;
8565 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8566 function addToPrefiltersOrTransports( structure ) {
8568 // dataTypeExpression is optional and defaults to "*"
8569 return function( dataTypeExpression, func ) {
8571 if ( typeof dataTypeExpression !== "string" ) {
8572 func = dataTypeExpression;
8573 dataTypeExpression = "*";
8578 dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
8580 if ( isFunction( func ) ) {
8582 // For each dataType in the dataTypeExpression
8583 while ( ( dataType = dataTypes[ i++ ] ) ) {
8585 // Prepend if requested
8586 if ( dataType[ 0 ] === "+" ) {
8587 dataType = dataType.slice( 1 ) || "*";
8588 ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
8592 ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
8599 // Base inspection function for prefilters and transports
8600 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8603 seekingTransport = ( structure === transports );
8605 function inspect( dataType ) {
8607 inspected[ dataType ] = true;
8608 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8609 var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8610 if ( typeof dataTypeOrTransport === "string" &&
8611 !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8613 options.dataTypes.unshift( dataTypeOrTransport );
8614 inspect( dataTypeOrTransport );
8616 } else if ( seekingTransport ) {
8617 return !( selected = dataTypeOrTransport );
8623 return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8626 // A special extend for ajax options
8627 // that takes "flat" options (not to be deep extended)
8629 function ajaxExtend( target, src ) {
8631 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8633 for ( key in src ) {
8634 if ( src[ key ] !== undefined ) {
8635 ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
8639 jQuery.extend( true, target, deep );
8645 /* Handles responses to an ajax request:
8646 * - finds the right dataType (mediates between content-type and expected dataType)
8647 * - returns the corresponding response
8649 function ajaxHandleResponses( s, jqXHR, responses ) {
8651 var ct, type, finalDataType, firstDataType,
8652 contents = s.contents,
8653 dataTypes = s.dataTypes;
8655 // Remove auto dataType and get content-type in the process
8656 while ( dataTypes[ 0 ] === "*" ) {
8658 if ( ct === undefined ) {
8659 ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
8663 // Check if we're dealing with a known content-type
8665 for ( type in contents ) {
8666 if ( contents[ type ] && contents[ type ].test( ct ) ) {
8667 dataTypes.unshift( type );
8673 // Check to see if we have a response for the expected dataType
8674 if ( dataTypes[ 0 ] in responses ) {
8675 finalDataType = dataTypes[ 0 ];
8678 // Try convertible dataTypes
8679 for ( type in responses ) {
8680 if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
8681 finalDataType = type;
8684 if ( !firstDataType ) {
8685 firstDataType = type;
8689 // Or just use first one
8690 finalDataType = finalDataType || firstDataType;
8693 // If we found a dataType
8694 // We add the dataType to the list if needed
8695 // and return the corresponding response
8696 if ( finalDataType ) {
8697 if ( finalDataType !== dataTypes[ 0 ] ) {
8698 dataTypes.unshift( finalDataType );
8700 return responses[ finalDataType ];
8704 /* Chain conversions given the request and the original response
8705 * Also sets the responseXXX fields on the jqXHR instance
8707 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8708 var conv2, current, conv, tmp, prev,
8711 // Work with a copy of dataTypes in case we need to modify it for conversion
8712 dataTypes = s.dataTypes.slice();
8714 // Create converters map with lowercased keys
8715 if ( dataTypes[ 1 ] ) {
8716 for ( conv in s.converters ) {
8717 converters[ conv.toLowerCase() ] = s.converters[ conv ];
8721 current = dataTypes.shift();
8723 // Convert to each sequential dataType
8726 if ( s.responseFields[ current ] ) {
8727 jqXHR[ s.responseFields[ current ] ] = response;
8730 // Apply the dataFilter if provided
8731 if ( !prev && isSuccess && s.dataFilter ) {
8732 response = s.dataFilter( response, s.dataType );
8736 current = dataTypes.shift();
8740 // There's only work to do if current dataType is non-auto
8741 if ( current === "*" ) {
8745 // Convert response if prev dataType is non-auto and differs from current
8746 } else if ( prev !== "*" && prev !== current ) {
8748 // Seek a direct converter
8749 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8751 // If none found, seek a pair
8753 for ( conv2 in converters ) {
8755 // If conv2 outputs current
8756 tmp = conv2.split( " " );
8757 if ( tmp[ 1 ] === current ) {
8759 // If prev can be converted to accepted input
8760 conv = converters[ prev + " " + tmp[ 0 ] ] ||
8761 converters[ "* " + tmp[ 0 ] ];
8764 // Condense equivalence converters
8765 if ( conv === true ) {
8766 conv = converters[ conv2 ];
8768 // Otherwise, insert the intermediate dataType
8769 } else if ( converters[ conv2 ] !== true ) {
8771 dataTypes.unshift( tmp[ 1 ] );
8779 // Apply converter (if not an equivalence)
8780 if ( conv !== true ) {
8782 // Unless errors are allowed to bubble, catch and return them
8783 if ( conv && s.throws ) {
8784 response = conv( response );
8787 response = conv( response );
8790 state: "parsererror",
8791 error: conv ? e : "No conversion from " + prev + " to " + current
8800 return { state: "success", data: response };
8805 // Counter for holding the number of active queries
8808 // Last-Modified header cache for next request
8815 isLocal: rlocalProtocol.test( location.protocol ),
8819 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8837 xml: "application/xml, text/xml",
8838 json: "application/json, text/javascript"
8849 text: "responseText",
8850 json: "responseJSON"
8854 // Keys separate source (or catchall "*") and destination types with a single space
8857 // Convert anything to text
8860 // Text to html (true = no transformation)
8863 // Evaluate text as a json expression
8864 "text json": JSON.parse,
8866 // Parse text as xml
8867 "text xml": jQuery.parseXML
8870 // For options that shouldn't be deep extended:
8871 // you can add your own custom options here if
8872 // and when you create one that shouldn't be
8873 // deep extended (see ajaxExtend)
8880 // Creates a full fledged settings object into target
8881 // with both ajaxSettings and settings fields.
8882 // If target is omitted, writes into ajaxSettings.
8883 ajaxSetup: function( target, settings ) {
8886 // Building a settings object
8887 ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8889 // Extending ajaxSettings
8890 ajaxExtend( jQuery.ajaxSettings, target );
8893 ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8894 ajaxTransport: addToPrefiltersOrTransports( transports ),
8897 ajax: function( url, options ) {
8899 // If url is an object, simulate pre-1.5 signature
8900 if ( typeof url === "object" ) {
8905 // Force options to be an object
8906 options = options || {};
8910 // URL without anti-cache param
8914 responseHeadersString,
8923 // Request state (becomes false upon send and true upon completion)
8926 // To know if global events are to be dispatched
8932 // uncached part of the url
8935 // Create the final options object
8936 s = jQuery.ajaxSetup( {}, options ),
8938 // Callbacks context
8939 callbackContext = s.context || s,
8941 // Context for global events is callbackContext if it is a DOM node or jQuery collection
8942 globalEventContext = s.context &&
8943 ( callbackContext.nodeType || callbackContext.jquery ) ?
8944 jQuery( callbackContext ) :
8948 deferred = jQuery.Deferred(),
8949 completeDeferred = jQuery.Callbacks( "once memory" ),
8951 // Status-dependent callbacks
8952 statusCode = s.statusCode || {},
8954 // Headers (they are sent all at once)
8955 requestHeaders = {},
8956 requestHeadersNames = {},
8958 // Default abort message
8959 strAbort = "canceled",
8965 // Builds headers hashtable if needed
8966 getResponseHeader: function( key ) {
8969 if ( !responseHeaders ) {
8970 responseHeaders = {};
8971 while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
8972 responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
8975 match = responseHeaders[ key.toLowerCase() ];
8977 return match == null ? null : match;
8981 getAllResponseHeaders: function() {
8982 return completed ? responseHeadersString : null;
8985 // Caches the header
8986 setRequestHeader: function( name, value ) {
8987 if ( completed == null ) {
8988 name = requestHeadersNames[ name.toLowerCase() ] =
8989 requestHeadersNames[ name.toLowerCase() ] || name;
8990 requestHeaders[ name ] = value;
8995 // Overrides response content-type header
8996 overrideMimeType: function( type ) {
8997 if ( completed == null ) {
9003 // Status-dependent callbacks
9004 statusCode: function( map ) {
9009 // Execute the appropriate callbacks
9010 jqXHR.always( map[ jqXHR.status ] );
9013 // Lazy-add the new callbacks in a way that preserves old ones
9014 for ( code in map ) {
9015 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9022 // Cancel the request
9023 abort: function( statusText ) {
9024 var finalText = statusText || strAbort;
9026 transport.abort( finalText );
9028 done( 0, finalText );
9034 deferred.promise( jqXHR );
9036 // Add protocol if not provided (prefilters might expect it)
9037 // Handle falsy url in the settings object (#10093: consistency with old signature)
9038 // We also use the url parameter if available
9039 s.url = ( ( url || s.url || location.href ) + "" )
9040 .replace( rprotocol, location.protocol + "//" );
9042 // Alias method option to type as per ticket #12004
9043 s.type = options.method || options.type || s.method || s.type;
9045 // Extract dataTypes list
9046 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
9048 // A cross-domain request is in order when the origin doesn't match the current origin.
9049 if ( s.crossDomain == null ) {
9050 urlAnchor = document.createElement( "a" );
9052 // Support: IE <=8 - 11, Edge 12 - 15
9053 // IE throws exception on accessing the href property if url is malformed,
9054 // e.g. http://example.com:80x/
9056 urlAnchor.href = s.url;
9058 // Support: IE <=8 - 11 only
9059 // Anchor's host property isn't correctly set when s.url is relative
9060 urlAnchor.href = urlAnchor.href;
9061 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
9062 urlAnchor.protocol + "//" + urlAnchor.host;
9065 // If there is an error parsing the URL, assume it is crossDomain,
9066 // it can be rejected by the transport if it is invalid
9067 s.crossDomain = true;
9071 // Convert data if not already a string
9072 if ( s.data && s.processData && typeof s.data !== "string" ) {
9073 s.data = jQuery.param( s.data, s.traditional );
9077 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9079 // If request was aborted inside a prefilter, stop there
9084 // We can fire global events as of now if asked to
9085 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9086 fireGlobals = jQuery.event && s.global;
9088 // Watch for a new set of requests
9089 if ( fireGlobals && jQuery.active++ === 0 ) {
9090 jQuery.event.trigger( "ajaxStart" );
9093 // Uppercase the type
9094 s.type = s.type.toUpperCase();
9096 // Determine if request has content
9097 s.hasContent = !rnoContent.test( s.type );
9099 // Save the URL in case we're toying with the If-Modified-Since
9100 // and/or If-None-Match header later on
9101 // Remove hash to simplify url manipulation
9102 cacheURL = s.url.replace( rhash, "" );
9104 // More options handling for requests with no content
9105 if ( !s.hasContent ) {
9107 // Remember the hash so we can put it back
9108 uncached = s.url.slice( cacheURL.length );
9110 // If data is available and should be processed, append data to url
9111 if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
9112 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9114 // #9682: remove data so that it's not used in an eventual retry
9118 // Add or update anti-cache param if needed
9119 if ( s.cache === false ) {
9120 cacheURL = cacheURL.replace( rantiCache, "$1" );
9121 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
9124 // Put hash and anti-cache on the URL that will be requested (gh-1732)
9125 s.url = cacheURL + uncached;
9127 // Change '%20' to '+' if this is encoded form body content (gh-2658)
9128 } else if ( s.data && s.processData &&
9129 ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9130 s.data = s.data.replace( r20, "+" );
9133 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9134 if ( s.ifModified ) {
9135 if ( jQuery.lastModified[ cacheURL ] ) {
9136 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9138 if ( jQuery.etag[ cacheURL ] ) {
9139 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9143 // Set the correct header, if data is being sent
9144 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9145 jqXHR.setRequestHeader( "Content-Type", s.contentType );
9148 // Set the Accepts header for the server, depending on the dataType
9149 jqXHR.setRequestHeader(
9151 s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9152 s.accepts[ s.dataTypes[ 0 ] ] +
9153 ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9157 // Check for headers option
9158 for ( i in s.headers ) {
9159 jqXHR.setRequestHeader( i, s.headers[ i ] );
9162 // Allow custom headers/mimetypes and early abort
9163 if ( s.beforeSend &&
9164 ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9166 // Abort if not done already and return
9167 return jqXHR.abort();
9170 // Aborting is no longer a cancellation
9173 // Install callbacks on deferreds
9174 completeDeferred.add( s.complete );
9175 jqXHR.done( s.success );
9176 jqXHR.fail( s.error );
9179 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9181 // If no transport, we auto-abort
9183 done( -1, "No Transport" );
9185 jqXHR.readyState = 1;
9187 // Send global event
9188 if ( fireGlobals ) {
9189 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9192 // If request was aborted inside ajaxSend, stop there
9198 if ( s.async && s.timeout > 0 ) {
9199 timeoutTimer = window.setTimeout( function() {
9200 jqXHR.abort( "timeout" );
9206 transport.send( requestHeaders, done );
9209 // Rethrow post-completion exceptions
9214 // Propagate others as results
9219 // Callback for when everything is done
9220 function done( status, nativeStatusText, responses, headers ) {
9221 var isSuccess, success, error, response, modified,
9222 statusText = nativeStatusText;
9224 // Ignore repeat invocations
9231 // Clear timeout if it exists
9232 if ( timeoutTimer ) {
9233 window.clearTimeout( timeoutTimer );
9236 // Dereference transport for early garbage collection
9237 // (no matter how long the jqXHR object will be used)
9238 transport = undefined;
9240 // Cache response headers
9241 responseHeadersString = headers || "";
9244 jqXHR.readyState = status > 0 ? 4 : 0;
9246 // Determine if successful
9247 isSuccess = status >= 200 && status < 300 || status === 304;
9249 // Get response data
9251 response = ajaxHandleResponses( s, jqXHR, responses );
9254 // Convert no matter what (that way responseXXX fields are always set)
9255 response = ajaxConvert( s, response, jqXHR, isSuccess );
9257 // If successful, handle type chaining
9260 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9261 if ( s.ifModified ) {
9262 modified = jqXHR.getResponseHeader( "Last-Modified" );
9264 jQuery.lastModified[ cacheURL ] = modified;
9266 modified = jqXHR.getResponseHeader( "etag" );
9268 jQuery.etag[ cacheURL ] = modified;
9273 if ( status === 204 || s.type === "HEAD" ) {
9274 statusText = "nocontent";
9277 } else if ( status === 304 ) {
9278 statusText = "notmodified";
9280 // If we have data, let's convert it
9282 statusText = response.state;
9283 success = response.data;
9284 error = response.error;
9289 // Extract error from statusText and normalize for non-aborts
9291 if ( status || !statusText ) {
9292 statusText = "error";
9299 // Set data for the fake xhr object
9300 jqXHR.status = status;
9301 jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9305 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9307 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9310 // Status-dependent callbacks
9311 jqXHR.statusCode( statusCode );
9312 statusCode = undefined;
9314 if ( fireGlobals ) {
9315 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9316 [ jqXHR, s, isSuccess ? success : error ] );
9320 completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9322 if ( fireGlobals ) {
9323 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9325 // Handle the global AJAX counter
9326 if ( !( --jQuery.active ) ) {
9327 jQuery.event.trigger( "ajaxStop" );
9335 getJSON: function( url, data, callback ) {
9336 return jQuery.get( url, data, callback, "json" );
9339 getScript: function( url, callback ) {
9340 return jQuery.get( url, undefined, callback, "script" );
9344 jQuery.each( [ "get", "post" ], function( i, method ) {
9345 jQuery[ method ] = function( url, data, callback, type ) {
9347 // Shift arguments if data argument was omitted
9348 if ( isFunction( data ) ) {
9349 type = type || callback;
9354 // The url can be an options object (which then must have .url)
9355 return jQuery.ajax( jQuery.extend( {
9361 }, jQuery.isPlainObject( url ) && url ) );
9366 jQuery._evalUrl = function( url ) {
9367 return jQuery.ajax( {
9370 // Make this explicit, since user can override this through ajaxSetup (#11264)
9382 wrapAll: function( html ) {
9386 if ( isFunction( html ) ) {
9387 html = html.call( this[ 0 ] );
9390 // The elements to wrap the target around
9391 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9393 if ( this[ 0 ].parentNode ) {
9394 wrap.insertBefore( this[ 0 ] );
9397 wrap.map( function() {
9400 while ( elem.firstElementChild ) {
9401 elem = elem.firstElementChild;
9411 wrapInner: function( html ) {
9412 if ( isFunction( html ) ) {
9413 return this.each( function( i ) {
9414 jQuery( this ).wrapInner( html.call( this, i ) );
9418 return this.each( function() {
9419 var self = jQuery( this ),
9420 contents = self.contents();
9422 if ( contents.length ) {
9423 contents.wrapAll( html );
9426 self.append( html );
9431 wrap: function( html ) {
9432 var htmlIsFunction = isFunction( html );
9434 return this.each( function( i ) {
9435 jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
9439 unwrap: function( selector ) {
9440 this.parent( selector ).not( "body" ).each( function() {
9441 jQuery( this ).replaceWith( this.childNodes );
9448 jQuery.expr.pseudos.hidden = function( elem ) {
9449 return !jQuery.expr.pseudos.visible( elem );
9451 jQuery.expr.pseudos.visible = function( elem ) {
9452 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9458 jQuery.ajaxSettings.xhr = function() {
9460 return new window.XMLHttpRequest();
9464 var xhrSuccessStatus = {
9466 // File protocol always yields status code 0, assume 200
9469 // Support: IE <=9 only
9470 // #1450: sometimes IE returns 1223 when it should be 204
9473 xhrSupported = jQuery.ajaxSettings.xhr();
9475 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9476 support.ajax = xhrSupported = !!xhrSupported;
9478 jQuery.ajaxTransport( function( options ) {
9479 var callback, errorCallback;
9481 // Cross domain only allowed if supported through XMLHttpRequest
9482 if ( support.cors || xhrSupported && !options.crossDomain ) {
9484 send: function( headers, complete ) {
9486 xhr = options.xhr();
9496 // Apply custom fields if provided
9497 if ( options.xhrFields ) {
9498 for ( i in options.xhrFields ) {
9499 xhr[ i ] = options.xhrFields[ i ];
9503 // Override mime type if needed
9504 if ( options.mimeType && xhr.overrideMimeType ) {
9505 xhr.overrideMimeType( options.mimeType );
9508 // X-Requested-With header
9509 // For cross-domain requests, seeing as conditions for a preflight are
9510 // akin to a jigsaw puzzle, we simply never set it to be sure.
9511 // (it can always be set on a per-request basis or even using ajaxSetup)
9512 // For same-domain requests, won't change header if already provided.
9513 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
9514 headers[ "X-Requested-With" ] = "XMLHttpRequest";
9518 for ( i in headers ) {
9519 xhr.setRequestHeader( i, headers[ i ] );
9523 callback = function( type ) {
9526 callback = errorCallback = xhr.onload =
9527 xhr.onerror = xhr.onabort = xhr.ontimeout =
9528 xhr.onreadystatechange = null;
9530 if ( type === "abort" ) {
9532 } else if ( type === "error" ) {
9534 // Support: IE <=9 only
9535 // On a manual native abort, IE9 throws
9536 // errors on any property access that is not readyState
9537 if ( typeof xhr.status !== "number" ) {
9538 complete( 0, "error" );
9542 // File: protocol always yields status 0; see #8605, #14207
9549 xhrSuccessStatus[ xhr.status ] || xhr.status,
9552 // Support: IE <=9 only
9553 // IE9 has no XHR2 but throws on binary (trac-11426)
9554 // For XHR2 non-text, let the caller handle it (gh-2498)
9555 ( xhr.responseType || "text" ) !== "text" ||
9556 typeof xhr.responseText !== "string" ?
9557 { binary: xhr.response } :
9558 { text: xhr.responseText },
9559 xhr.getAllResponseHeaders()
9567 xhr.onload = callback();
9568 errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
9570 // Support: IE 9 only
9571 // Use onreadystatechange to replace onabort
9572 // to handle uncaught aborts
9573 if ( xhr.onabort !== undefined ) {
9574 xhr.onabort = errorCallback;
9576 xhr.onreadystatechange = function() {
9578 // Check readyState before timeout as it changes
9579 if ( xhr.readyState === 4 ) {
9581 // Allow onerror to be called first,
9582 // but that will not handle a native abort
9583 // Also, save errorCallback to a variable
9584 // as xhr.onerror cannot be accessed
9585 window.setTimeout( function() {
9594 // Create the abort callback
9595 callback = callback( "abort" );
9599 // Do send the request (this may raise an exception)
9600 xhr.send( options.hasContent && options.data || null );
9603 // #14683: Only rethrow if this hasn't been notified as an error yet
9622 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
9623 jQuery.ajaxPrefilter( function( s ) {
9624 if ( s.crossDomain ) {
9625 s.contents.script = false;
9629 // Install script dataType
9632 script: "text/javascript, application/javascript, " +
9633 "application/ecmascript, application/x-ecmascript"
9636 script: /\b(?:java|ecma)script\b/
9639 "text script": function( text ) {
9640 jQuery.globalEval( text );
9646 // Handle cache's special case and crossDomain
9647 jQuery.ajaxPrefilter( "script", function( s ) {
9648 if ( s.cache === undefined ) {
9651 if ( s.crossDomain ) {
9656 // Bind script tag hack transport
9657 jQuery.ajaxTransport( "script", function( s ) {
9659 // This transport only deals with cross domain requests
9660 if ( s.crossDomain ) {
9661 var script, callback;
9663 send: function( _, complete ) {
9664 script = jQuery( "<script>" ).prop( {
9665 charset: s.scriptCharset,
9669 callback = function( evt ) {
9673 complete( evt.type === "error" ? 404 : 200, evt.type );
9678 // Use native DOM manipulation to avoid our domManip AJAX trickery
9679 document.head.appendChild( script[ 0 ] );
9693 var oldCallbacks = [],
9694 rjsonp = /(=)\?(?=&|$)|\?\?/;
9696 // Default jsonp settings
9699 jsonpCallback: function() {
9700 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9701 this[ callback ] = true;
9706 // Detect, normalize options and install callbacks for jsonp requests
9707 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9709 var callbackName, overwritten, responseContainer,
9710 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9712 typeof s.data === "string" &&
9713 ( s.contentType || "" )
9714 .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9715 rjsonp.test( s.data ) && "data"
9718 // Handle iff the expected data type is "jsonp" or we have a parameter to set
9719 if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9721 // Get callback name, remembering preexisting value associated with it
9722 callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ?
9726 // Insert callback into url or form data
9728 s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9729 } else if ( s.jsonp !== false ) {
9730 s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9733 // Use data converter to retrieve json after script execution
9734 s.converters[ "script json" ] = function() {
9735 if ( !responseContainer ) {
9736 jQuery.error( callbackName + " was not called" );
9738 return responseContainer[ 0 ];
9741 // Force json dataType
9742 s.dataTypes[ 0 ] = "json";
9745 overwritten = window[ callbackName ];
9746 window[ callbackName ] = function() {
9747 responseContainer = arguments;
9750 // Clean-up function (fires after converters)
9751 jqXHR.always( function() {
9753 // If previous value didn't exist - remove it
9754 if ( overwritten === undefined ) {
9755 jQuery( window ).removeProp( callbackName );
9757 // Otherwise restore preexisting value
9759 window[ callbackName ] = overwritten;
9762 // Save back as free
9763 if ( s[ callbackName ] ) {
9765 // Make sure that re-using the options doesn't screw things around
9766 s.jsonpCallback = originalSettings.jsonpCallback;
9768 // Save the callback name for future use
9769 oldCallbacks.push( callbackName );
9772 // Call if it was a function and we have a response
9773 if ( responseContainer && isFunction( overwritten ) ) {
9774 overwritten( responseContainer[ 0 ] );
9777 responseContainer = overwritten = undefined;
9780 // Delegate to script
9788 // Support: Safari 8 only
9789 // In Safari 8 documents created via document.implementation.createHTMLDocument
9790 // collapse sibling forms: the second one becomes a child of the first one.
9791 // Because of that, this security measure has to be disabled in Safari 8.
9792 // https://bugs.webkit.org/show_bug.cgi?id=137337
9793 support.createHTMLDocument = ( function() {
9794 var body = document.implementation.createHTMLDocument( "" ).body;
9795 body.innerHTML = "<form></form><form></form>";
9796 return body.childNodes.length === 2;
9800 // Argument "data" should be string of html
9801 // context (optional): If specified, the fragment will be created in this context,
9802 // defaults to document
9803 // keepScripts (optional): If true, will include scripts passed in the html string
9804 jQuery.parseHTML = function( data, context, keepScripts ) {
9805 if ( typeof data !== "string" ) {
9808 if ( typeof context === "boolean" ) {
9809 keepScripts = context;
9813 var base, parsed, scripts;
9817 // Stop scripts or inline event handlers from being executed immediately
9818 // by using document.implementation
9819 if ( support.createHTMLDocument ) {
9820 context = document.implementation.createHTMLDocument( "" );
9822 // Set the base href for the created document
9823 // so any parsed elements with URLs
9824 // are based on the document's URL (gh-2965)
9825 base = context.createElement( "base" );
9826 base.href = document.location.href;
9827 context.head.appendChild( base );
9833 parsed = rsingleTag.exec( data );
9834 scripts = !keepScripts && [];
9838 return [ context.createElement( parsed[ 1 ] ) ];
9841 parsed = buildFragment( [ data ], context, scripts );
9843 if ( scripts && scripts.length ) {
9844 jQuery( scripts ).remove();
9847 return jQuery.merge( [], parsed.childNodes );
9852 * Load a url into a page
9854 jQuery.fn.load = function( url, params, callback ) {
9855 var selector, type, response,
9857 off = url.indexOf( " " );
9860 selector = stripAndCollapse( url.slice( off ) );
9861 url = url.slice( 0, off );
9864 // If it's a function
9865 if ( isFunction( params ) ) {
9867 // We assume that it's the callback
9871 // Otherwise, build a param string
9872 } else if ( params && typeof params === "object" ) {
9876 // If we have elements to modify, make the request
9877 if ( self.length > 0 ) {
9881 // If "type" variable is undefined, then "GET" method will be used.
9882 // Make value of this field explicit since
9883 // user can override it through ajaxSetup method
9884 type: type || "GET",
9887 } ).done( function( responseText ) {
9889 // Save response for use in complete callback
9890 response = arguments;
9892 self.html( selector ?
9894 // If a selector was specified, locate the right elements in a dummy div
9895 // Exclude scripts to avoid IE 'Permission Denied' errors
9896 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
9898 // Otherwise use the full result
9901 // If the request succeeds, this function gets "data", "status", "jqXHR"
9902 // but they are ignored because response was set above.
9903 // If it fails, this function gets "jqXHR", "status", "error"
9904 } ).always( callback && function( jqXHR, status ) {
9905 self.each( function() {
9906 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
9917 // Attach a bunch of functions for handling common AJAX events
9925 ], function( i, type ) {
9926 jQuery.fn[ type ] = function( fn ) {
9927 return this.on( type, fn );
9934 jQuery.expr.pseudos.animated = function( elem ) {
9935 return jQuery.grep( jQuery.timers, function( fn ) {
9936 return elem === fn.elem;
9944 setOffset: function( elem, options, i ) {
9945 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
9946 position = jQuery.css( elem, "position" ),
9947 curElem = jQuery( elem ),
9950 // Set position first, in-case top/left are set even on static elem
9951 if ( position === "static" ) {
9952 elem.style.position = "relative";
9955 curOffset = curElem.offset();
9956 curCSSTop = jQuery.css( elem, "top" );
9957 curCSSLeft = jQuery.css( elem, "left" );
9958 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
9959 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
9961 // Need to be able to calculate position if either
9962 // top or left is auto and position is either absolute or fixed
9963 if ( calculatePosition ) {
9964 curPosition = curElem.position();
9965 curTop = curPosition.top;
9966 curLeft = curPosition.left;
9969 curTop = parseFloat( curCSSTop ) || 0;
9970 curLeft = parseFloat( curCSSLeft ) || 0;
9973 if ( isFunction( options ) ) {
9975 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
9976 options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
9979 if ( options.top != null ) {
9980 props.top = ( options.top - curOffset.top ) + curTop;
9982 if ( options.left != null ) {
9983 props.left = ( options.left - curOffset.left ) + curLeft;
9986 if ( "using" in options ) {
9987 options.using.call( elem, props );
9990 curElem.css( props );
9997 // offset() relates an element's border box to the document origin
9998 offset: function( options ) {
10000 // Preserve chaining for setter
10001 if ( arguments.length ) {
10002 return options === undefined ?
10004 this.each( function( i ) {
10005 jQuery.offset.setOffset( this, options, i );
10016 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
10017 // Support: IE <=11 only
10018 // Running getBoundingClientRect on a
10019 // disconnected node in IE throws an error
10020 if ( !elem.getClientRects().length ) {
10021 return { top: 0, left: 0 };
10024 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
10025 rect = elem.getBoundingClientRect();
10026 win = elem.ownerDocument.defaultView;
10028 top: rect.top + win.pageYOffset,
10029 left: rect.left + win.pageXOffset
10033 // position() relates an element's margin box to its offset parent's padding box
10034 // This corresponds to the behavior of CSS absolute positioning
10035 position: function() {
10036 if ( !this[ 0 ] ) {
10040 var offsetParent, offset, doc,
10042 parentOffset = { top: 0, left: 0 };
10044 // position:fixed elements are offset from the viewport, which itself always has zero offset
10045 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10047 // Assume position:fixed implies availability of getBoundingClientRect
10048 offset = elem.getBoundingClientRect();
10051 offset = this.offset();
10053 // Account for the *real* offset parent, which can be the document or its root element
10054 // when a statically positioned element is identified
10055 doc = elem.ownerDocument;
10056 offsetParent = elem.offsetParent || doc.documentElement;
10057 while ( offsetParent &&
10058 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
10059 jQuery.css( offsetParent, "position" ) === "static" ) {
10061 offsetParent = offsetParent.parentNode;
10063 if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
10065 // Incorporate borders into its offset, since they are outside its content origin
10066 parentOffset = jQuery( offsetParent ).offset();
10067 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
10068 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
10072 // Subtract parent offsets and element margins
10074 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10075 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10079 // This method will return documentElement in the following cases:
10080 // 1) For the element inside the iframe without offsetParent, this method will return
10081 // documentElement of the parent window
10082 // 2) For the hidden or detached element
10083 // 3) For body or html element, i.e. in case of the html node - it will return itself
10085 // but those exceptions were never presented as a real life use-cases
10086 // and might be considered as more preferable results.
10088 // This logic, however, is not guaranteed and can change at any point in the future
10089 offsetParent: function() {
10090 return this.map( function() {
10091 var offsetParent = this.offsetParent;
10093 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10094 offsetParent = offsetParent.offsetParent;
10097 return offsetParent || documentElement;
10102 // Create scrollLeft and scrollTop methods
10103 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10104 var top = "pageYOffset" === prop;
10106 jQuery.fn[ method ] = function( val ) {
10107 return access( this, function( elem, method, val ) {
10109 // Coalesce documents and windows
10111 if ( isWindow( elem ) ) {
10113 } else if ( elem.nodeType === 9 ) {
10114 win = elem.defaultView;
10117 if ( val === undefined ) {
10118 return win ? win[ prop ] : elem[ method ];
10123 !top ? val : win.pageXOffset,
10124 top ? val : win.pageYOffset
10128 elem[ method ] = val;
10130 }, method, val, arguments.length );
10134 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
10135 // Add the top/left cssHooks using jQuery.fn.position
10136 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10137 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10138 // getComputedStyle returns percent when specified for top/left/bottom/right;
10139 // rather than make the css module depend on the offset module, just check for it here
10140 jQuery.each( [ "top", "left" ], function( i, prop ) {
10141 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10142 function( elem, computed ) {
10144 computed = curCSS( elem, prop );
10146 // If curCSS returns percentage, fallback to offset
10147 return rnumnonpx.test( computed ) ?
10148 jQuery( elem ).position()[ prop ] + "px" :
10156 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10157 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10158 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
10159 function( defaultExtra, funcName ) {
10161 // Margin is only for outerHeight, outerWidth
10162 jQuery.fn[ funcName ] = function( margin, value ) {
10163 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10164 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10166 return access( this, function( elem, type, value ) {
10169 if ( isWindow( elem ) ) {
10171 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10172 return funcName.indexOf( "outer" ) === 0 ?
10173 elem[ "inner" + name ] :
10174 elem.document.documentElement[ "client" + name ];
10177 // Get document width or height
10178 if ( elem.nodeType === 9 ) {
10179 doc = elem.documentElement;
10181 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10182 // whichever is greatest
10184 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10185 elem.body[ "offset" + name ], doc[ "offset" + name ],
10186 doc[ "client" + name ]
10190 return value === undefined ?
10192 // Get width or height on the element, requesting but not forcing parseFloat
10193 jQuery.css( elem, type, extra ) :
10195 // Set width or height on the element
10196 jQuery.style( elem, type, value, extra );
10197 }, type, chainable ? margin : undefined, chainable );
10203 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
10204 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
10205 "change select submit keydown keypress keyup contextmenu" ).split( " " ),
10206 function( i, name ) {
10208 // Handle event binding
10209 jQuery.fn[ name ] = function( data, fn ) {
10210 return arguments.length > 0 ?
10211 this.on( name, null, data, fn ) :
10212 this.trigger( name );
10216 jQuery.fn.extend( {
10217 hover: function( fnOver, fnOut ) {
10218 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
10225 jQuery.fn.extend( {
10227 bind: function( types, data, fn ) {
10228 return this.on( types, null, data, fn );
10230 unbind: function( types, fn ) {
10231 return this.off( types, null, fn );
10234 delegate: function( selector, types, data, fn ) {
10235 return this.on( types, selector, data, fn );
10237 undelegate: function( selector, types, fn ) {
10239 // ( namespace ) or ( selector, types [, fn] )
10240 return arguments.length === 1 ?
10241 this.off( selector, "**" ) :
10242 this.off( types, selector || "**", fn );
10246 // Bind a function to a context, optionally partially applying any
10248 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
10249 // However, it is not slated for removal any time soon
10250 jQuery.proxy = function( fn, context ) {
10251 var tmp, args, proxy;
10253 if ( typeof context === "string" ) {
10254 tmp = fn[ context ];
10259 // Quick check to determine if target is callable, in the spec
10260 // this throws a TypeError, but we will just return undefined.
10261 if ( !isFunction( fn ) ) {
10266 args = slice.call( arguments, 2 );
10267 proxy = function() {
10268 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
10271 // Set the guid of unique handler to the same of original handler, so it can be removed
10272 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
10277 jQuery.holdReady = function( hold ) {
10279 jQuery.readyWait++;
10281 jQuery.ready( true );
10284 jQuery.isArray = Array.isArray;
10285 jQuery.parseJSON = JSON.parse;
10286 jQuery.nodeName = nodeName;
10287 jQuery.isFunction = isFunction;
10288 jQuery.isWindow = isWindow;
10289 jQuery.camelCase = camelCase;
10290 jQuery.type = toType;
10292 jQuery.now = Date.now;
10294 jQuery.isNumeric = function( obj ) {
10296 // As of jQuery 3.0, isNumeric is limited to
10297 // strings and numbers (primitives or objects)
10298 // that can be coerced to finite numbers (gh-2662)
10299 var type = jQuery.type( obj );
10300 return ( type === "number" || type === "string" ) &&
10302 // parseFloat NaNs numeric-cast false positives ("")
10303 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
10304 // subtraction forces infinities to NaN
10305 !isNaN( obj - parseFloat( obj ) );
10311 // Register as a named AMD module, since jQuery can be concatenated with other
10312 // files that may use define, but not via a proper concatenation script that
10313 // understands anonymous AMD modules. A named AMD is safest and most robust
10314 // way to register. Lowercase jquery is used because AMD module names are
10315 // derived from file names, and jQuery is normally delivered in a lowercase
10316 // file name. Do this after creating the global so that if an AMD module wants
10317 // to call noConflict to hide this version of jQuery, it will work.
10319 // Note that for maximum portability, libraries that are not jQuery should
10320 // declare themselves as anonymous modules, and avoid setting a global if an
10321 // AMD loader is present. jQuery is a special case. For more information, see
10322 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10324 if ( typeof define === "function" && define.amd ) {
10325 define( "jquery", [], function() {
10335 // Map over jQuery in case of overwrite
10336 _jQuery = window.jQuery,
10338 // Map over the $ in case of overwrite
10341 jQuery.noConflict = function( deep ) {
10342 if ( window.$ === jQuery ) {
10346 if ( deep && window.jQuery === jQuery ) {
10347 window.jQuery = _jQuery;
10353 // Expose jQuery and $ identifiers, even in AMD
10354 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10355 // and CommonJS for browser emulators (#13566)
10357 window.jQuery = window.$ = jQuery;