rnocache = /<(?:script|object|embed|option|style)/i,
// checked="checked" or checked (html5)
rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
- raction = /\=([^="'>\s]+\/)>/g,
wrapMap = {
option: [ 1, "<select multiple='multiple'>", "</select>" ],
legend: [ 1, "<fieldset>", "</fieldset>" ],
clone: function( events ) {
// Do the clone
var ret = this.map(function() {
- if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
- // IE copies events bound via attachEvent when
- // using cloneNode. Calling detachEvent on the
- // clone will also remove the events from the orignal
- // In order to get around this, we use innerHTML.
- // Unfortunately, this means some modifications to
- // attributes in IE that are actually only stored
- // as properties will not be copied (such as the
- // the name attribute on an input).
- var html = this.outerHTML,
- ownerDocument = this.ownerDocument;
-
- if ( !html ) {
- var div = ownerDocument.createElement("div");
- div.appendChild( this.cloneNode(true) );
- html = div.innerHTML;
+ var clone = this.cloneNode(true);
+ if ( !jQuery.support.noCloneEvent && (this.nodeType === 1 || this.nodeType === 11) && !jQuery.isXMLDoc(this) ) {
+ // IE copies events bound via attachEvent when using cloneNode.
+ // Calling detachEvent on the clone will also remove the events
+ // from the original. In order to get around this, we use some
+ // proprietary methods to clear the events. Thanks to MooTools
+ // guys for this hotness.
+
+ // Using Sizzle here is crazy slow, so we use getElementsByTagName
+ // instead
+ var srcElements = this.getElementsByTagName("*"),
+ destElements = clone.getElementsByTagName("*");
+
+ // Weird iteration because IE will replace the length property
+ // with an element if you are cloning the body and one of the
+ // elements on the page has a name or id of "length"
+ for ( var i = 0; srcElements[i]; ++i ) {
+ cloneFixAttributes( srcElements[i], destElements[i] );
}
- return jQuery.clean([html.replace(rinlinejQuery, "")
- // Handle the case in IE 8 where action=/test/> self-closes a tag
- .replace(raction, '="$1">')
- .replace(rleadingWhitespace, "")], ownerDocument)[0];
- } else {
- return this.cloneNode(true);
+ cloneFixAttributes( this, clone );
}
+
+ return clone;
});
// Copy the events from the original to the clone
table ?
root(this[i], first) :
this[i],
- i > 0 || results.cacheable || this.length > 1 ?
+ i > 0 || results.cacheable || (this.length > 1 && i > 0) ?
jQuery(fragment).clone(true)[0] :
fragment
);
}
function cloneCopyEvent(orig, ret) {
- var i = 0;
-
- ret.each(function() {
- if ( this.nodeName !== (orig[i] && orig[i].nodeName) ) {
+ ret.each(function (nodeIndex) {
+ if ( this.nodeType !== 1 || !jQuery.hasData(orig[nodeIndex]) ) {
return;
}
- var oldData = jQuery.data( orig[i++] ),
- curData = jQuery.data( this, oldData ),
- events = oldData && oldData.events;
+ // XXX remove for 1.5 RC or merge back in if there is actually a reason for this check that has been
+ // unexposed by unit tests
+ if ( this.nodeName !== (orig[nodeIndex] && orig[nodeIndex].nodeName) ) {
+ throw "Cloned data mismatch";
+ }
+
+ var internalKey = jQuery.expando,
+ oldData = jQuery.data( orig[nodeIndex] ),
+ curData = jQuery.data( this, oldData );
+
+ // Switch to use the internal data object, if it exists, for the next
+ // stage of data copying
+ if ( (oldData = oldData[ internalKey ]) ) {
+ var events = oldData.events;
+ curData = curData[ internalKey ] = jQuery.extend({}, oldData);
- if ( events ) {
- delete curData.handle;
- curData.events = {};
+ if ( events ) {
+ delete curData.handle;
+ curData.events = {};
- for ( var type in events ) {
- for ( var handler in events[ type ] ) {
- jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
+ for ( var type in events ) {
+ for ( var i = 0, l = events[ type ].length; i < l; i++ ) {
+ jQuery.event.add( this, type, events[ type ][ i ], events[ type ][ i ].data );
+ }
}
}
}
});
}
+function cloneFixAttributes(src, dest) {
+ // We do not need to do anything for non-Elements
+ if ( dest.nodeType !== 1 ) {
+ return;
+ }
+
+ var nodeName = dest.nodeName.toLowerCase();
+
+ // clearAttributes removes the attributes, which we don't want,
+ // but also removes the attachEvent events, which we *do* want
+ dest.clearAttributes();
+
+ // mergeAttributes, in contrast, only merges back on the
+ // original attributes, not the events
+ dest.mergeAttributes(src);
+
+ // IE6-8 fail to clone children inside object elements that use
+ // the proprietary classid attribute value (rather than the type
+ // attribute) to identify the type of content to display
+ if ( nodeName === "object" ) {
+ dest.outerHTML = src.outerHTML;
+
+ } else if ( nodeName === "input" && (src.type === "checkbox" || src.type === "radio") ) {
+ // IE6-8 fails to persist the checked state of a cloned checkbox
+ // or radio button. Worse, IE6-7 fail to give the cloned element
+ // a checked appearance if the defaultChecked value isn't also set
+ if ( src.checked ) {
+ dest.defaultChecked = dest.checked = src.checked;
+ }
+
+ // IE6-7 get confused and end up setting the value of a cloned
+ // checkbox/radio button to an empty string instead of "on"
+ if ( dest.value !== src.value ) {
+ dest.value = src.value;
+ }
+
+ // IE6-8 fails to return the selected option to the default selected
+ // state when cloning options
+ } else if ( nodeName === "option" ) {
+ dest.selected = src.defaultSelected;
+
+ // IE6-8 fails to set the defaultValue to the correct value when
+ // cloning other types of input fields
+ } else if ( nodeName === "input" || nodeName === "textarea" ) {
+ dest.defaultValue = src.defaultValue;
+ }
+
+ // Event data gets referenced instead of copied if the expando
+ // gets copied too
+ dest.removeAttribute( jQuery.expando );
+}
+
jQuery.buildFragment = function( args, nodes, scripts ) {
var fragment, cacheable, cacheresults,
doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
- // Only cache "small" (1/2 KB) strings that are associated with the main document
+ // Only cache "small" (1/2 KB) HTML strings that are associated with the main document
// Cloning options loses the selected state, so don't cache them
// IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
// Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && doc === document &&
- !rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {
+ args[0].charAt(0) === "<" && !rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {
cacheable = true;
cacheresults = jQuery.fragments[ args[0] ];
},
cleanData: function( elems ) {
- var data, id, cache = jQuery.cache,
- special = jQuery.event.special,
+ var data, id, cache = jQuery.cache, internalKey = jQuery.expando, special = jQuery.event.special,
deleteExpando = jQuery.support.deleteExpando;
for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
id = elem[ jQuery.expando ];
if ( id ) {
- data = cache[ id ];
+ data = cache[ id ] && cache[ id ][ internalKey ];
if ( data && data.events ) {
for ( var type in data.events ) {
if ( special[ type ] ) {
jQuery.event.remove( elem, type );
+ // This is a shortcut to avoid jQuery.event.remove's overhead
} else {
jQuery.removeEvent( elem, type, data.handle );
}
}
+
+ // Null the DOM reference to avoid IE6/7/8 leak (#7054)
+ if ( data.handle ) {
+ data.handle.elem = null;
+ }
}
if ( deleteExpando ) {