support.js
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define([
"../var/support"
], function( support ) {
(function() {
// Minified: var a,b,c
var input = document.createElement( "input" ),
div = document.createElement( "div" ),
fragment = document.createDocumentFragment();
// Setup
div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
// IE strips leading whitespace when .innerHTML is used
support.leadingWhitespace = div.firstChild.nodeType === 3;
// Make sure that tbody elements aren't automatically inserted
// IE will insert them into empty tables
support.tbody = !div.getElementsByTagName( "tbody" ).length;
// Make sure that link elements get serialized correctly by innerHTML
// This requires a wrapper element in IE
support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
// Makes sure cloning an html5 element does not cause problems
// Where outerHTML is undefined, this still works
support.html5Clone =
document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
// Check if a disconnected checkbox will retain its checked
// value of true after appended to the DOM (IE6/7)
input.type = "checkbox";
input.checked = true;
fragment.appendChild( input );
support.appendChecked = input.checked;
// Make sure textarea (and checkbox) defaultValue is properly cloned
// Support: IE6-IE11+
div.innerHTML = "<textarea>x</textarea>";
support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
// #11217 - WebKit loses check when the name is after the checked attribute
fragment.appendChild( div );
div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
// old WebKit doesn't clone checked state correctly in fragments
support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Support: IE<9
// Opera does not clone events (and typeof div.attachEvent === undefined).
// IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
support.noCloneEvent = true;
if ( div.attachEvent ) {
div.attachEvent( "onclick", function() {
support.noCloneEvent = false;
});
div.cloneNode( true ).click();
}
// Execute the test only if not already executed in another module.
if (support.deleteExpando == null) {
// Support: IE<9
support.deleteExpando = true;
try {
delete div.test;
} catch( e ) {
support.deleteExpando = false;
}
}
})();
return support;
});