4 ], function( document, support ) {
9 var input = document.createElement( "input" ),
10 select = document.createElement( "select" ),
11 opt = select.appendChild( document.createElement( "option" ) );
13 input.type = "checkbox";
15 // Support: Android <=4.3 only
16 // Default value for a checkbox should be "on"
17 support.checkOn = input.value !== "";
19 // Support: IE <=11 only
20 // Must access selectedIndex to make default options select
21 support.optSelected = opt.selected;
23 // Support: IE <=11 only
24 // An input loses its value after becoming a radio
25 input = document.createElement( "input" );
28 support.radioValue = input.value === "t";