thelounge/client/components/jquery/src/attributes/support.js
2014-06-17 17:04:57 +02:00

36 lines
970 B
JavaScript

define([
"../var/support"
], function( support ) {
(function() {
var input = document.createElement( "input" ),
select = document.createElement( "select" ),
opt = select.appendChild( document.createElement( "option" ) );
input.type = "checkbox";
// Support: iOS 5.1, Android 4.x, Android 2.3
// Check the default checkbox/radio value ("" on old WebKit; "on" elsewhere)
support.checkOn = input.value !== "";
// Must access the parent to make an option select properly
// Support: IE9, IE10
support.optSelected = opt.selected;
// Make sure that the options inside disabled selects aren't marked as disabled
// (WebKit marks them as disabled)
select.disabled = true;
support.optDisabled = !opt.disabled;
// Check if an input maintains its value after becoming a radio
// Support: IE9, IE10
input = document.createElement( "input" );
input.value = "t";
input.type = "radio";
support.radioValue = input.value === "t";
})();
return support;
});