4 ], function( document, support ) {
7 var input = document.createElement( "input" ),
8 select = document.createElement( "select" ),
9 opt = select.appendChild( document.createElement( "option" ) );
11 input.type = "checkbox";
13 // Support: iOS<=5.1, Android<=4.2+
14 // Default value for a checkbox should be "on"
15 support.checkOn = input.value !== "";
18 // Must access selectedIndex to make default options select
19 support.optSelected = opt.selected;
21 // Support: Android<=2.3
22 // Options inside disabled selects are incorrectly marked as disabled
23 select.disabled = true;
24 support.optDisabled = !opt.disabled;
27 // An input loses its value after becoming a radio
28 input = document.createElement( "input" );
31 support.radioValue = input.value === "t";