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.nodeType !== 1 || this.nodeName !== (orig[i] && orig[i].nodeName) || !jQuery.hasData(orig[i]) ) {
+ ret.each(function (nodeIndex) {
+ if ( this.nodeType !== 1 || !jQuery.hasData(orig[nodeIndex]) ) {
return;
}
- var oldData = jQuery.data( orig[i++] ),
- curData = jQuery.data( this, jQuery.extend(true, {}, 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 );
- if ( events ) {
- delete curData.handle;
- curData.events = {};
+ // 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);
- for ( var type in events ) {
- for ( var handler in events[ type ] ) {
- jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
+ if ( events ) {
+ delete curData.handle;
+ curData.events = {};
+
+ 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 );
+ }
}
}
}
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] ];
},
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 ) {
git.asbjorn.biz / jquery.git / blobdiff