\s*$/i,
wrapMap = {
option: [ 1, "" ],
legend: [ 1, "" ],
@@ -186,45 +183,13 @@ jQuery.fn.extend({
return this;
},
- 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;
- } else if ( rbodystart.test(html) && rbodyend.test(html) ) {
- html = html.replace( rbodystart, "
" ).replace( rbodyend, "
" );
- }
+ clone: function( dataAndEvents, deepDataAndEvents ) {
+ dataAndEvents = dataAndEvents == null ? true : dataAndEvents;
+ deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
- 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);
- }
+ return this.map( function () {
+ return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
});
-
- // Copy the events from the original to the clone
- if ( events === true ) {
- cloneCopyEvent( this, ret );
- cloneCopyEvent( this.find("*"), ret.find("*") );
- }
-
- // Return the cloned set
- return ret;
},
html: function( value ) {
@@ -346,13 +311,20 @@ jQuery.fn.extend({
if ( first ) {
table = table && jQuery.nodeName( first, "tr" );
- for ( var i = 0, l = this.length; i < l; i++ ) {
+ for ( var i = 0, l = this.length, lastIndex = l - 1; i < l; i++ ) {
callback.call(
table ?
root(this[i], first) :
this[i],
- i > 0 || results.cacheable || this.length > 1 ?
- jQuery(fragment).clone(true)[0] :
+ // Make sure that we do not leak memory by inadvertently discarding
+ // the original fragment (which might have attached data) instead of
+ // using it; in addition, use the original fragment object for the last
+ // item instead of first because it can end up being emptied incorrectly
+ // in certain situations (Bug #8070).
+ // Fragments from the fragment cache must always be cloned and never used
+ // in place.
+ results.cacheable || (l > 1 && i < lastIndex) ?
+ jQuery.clone( fragment, true, true ) :
fragment
);
}
@@ -374,41 +346,97 @@ function root( elem, cur ) {
elem;
}
-function cloneCopyEvent(orig, ret) {
- var i = 0;
+function cloneCopyEvent( src, dest ) {
- ret.each(function() {
- if ( this.nodeName !== (orig[i] && orig[i].nodeName) ) {
- return;
- }
+ if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
+ return;
+ }
- var oldData = jQuery.data( orig[i++] ),
- curData = jQuery.data( this, oldData ),
- events = oldData && oldData.events;
+ var internalKey = jQuery.expando,
+ oldData = jQuery.data( src ),
+ curData = jQuery.data( dest, 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 = {};
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 i = 0, l = events[ type ].length; i < l; i++ ) {
+ jQuery.event.add( dest, 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