rtbody = /<tbody/i,
rhtml = /<|&#?\w+;/,
rnocache = /<(?:script|object|embed|option|style)/i,
- // checked="checked" or checked (html5)
+ // checked="checked" or checked
rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
wrapMap = {
option: [ 1, "<select multiple='multiple'>", "</select>" ],
return this;
},
- clone: function( events ) {
- // Do the clone
- var ret = this.map(function() {
- 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] );
- }
-
- cloneFixAttributes( this, clone );
- }
+ clone: function( dataAndEvents, deepDataAndEvents ) {
+ dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
+ deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
- return clone;
+ 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 ) {
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
);
}
elem;
}
-function cloneCopyEvent(orig, ret) {
- var i = 0;
+function cloneCopyEvent( src, dest ) {
- ret.each(function() {
- if ( this.nodeType !== 1 || this.nodeName !== (orig[i] && orig[i].nodeName) || !jQuery.hasData(orig[i]) ) {
- return;
- }
+ if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
+ return;
+ }
- var oldData = jQuery.data( orig[i++] ),
- curData = jQuery.data( this, jQuery.extend(true, {}, 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) {
if ( nodeName === "object" ) {
dest.outerHTML = src.outerHTML;
- // IE6-8 fails to persist the checked state of a cloned checkbox
- // or radio button
- } else if ( nodeName === "input" && src.checked ) {
- dest.defaultChecked = dest.checked = src.checked;
+ } 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
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] ];
});
jQuery.extend({
+ clone: function( elem, dataAndEvents, deepDataAndEvents ) {
+ var clone = elem.cloneNode(true),
+ srcElements,
+ destElements,
+ i;
+
+ if ( !jQuery.support.noCloneEvent && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
+ // 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.
+
+ cloneFixAttributes( elem, clone );
+
+ // Using Sizzle here is crazy slow, so we use getElementsByTagName
+ // instead
+ srcElements = elem.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 ( i = 0; srcElements[i]; ++i ) {
+ cloneFixAttributes( srcElements[i], destElements[i] );
+ }
+ }
+
+ // Copy the events from the original to the clone
+ if ( dataAndEvents ) {
+
+ cloneCopyEvent( elem, clone );
+
+ if ( deepDataAndEvents && "getElementsByTagName" in elem ) {
+
+ srcElements = elem.getElementsByTagName("*");
+ destElements = clone.getElementsByTagName("*");
+
+ if ( srcElements.length ) {
+ for ( i = 0; srcElements[i]; ++i ) {
+ cloneCopyEvent( srcElements[i], destElements[i] );
+ }
+ }
+ }
+ }
+ // Return the cloned set
+ return clone;
+ },
clean: function( elems, context, fragment, scripts ) {
context = context || document;
},
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 ) {