Make sure that the node exists before attempting to clone.

[jquery.git] / src / manipulation.js

diff --git a/src/manipulation.js b/src/manipulation.js
index 9103111..d5523dd 100644 (file)
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -32,24 +32,17 @@ if ( !jQuery.support.htmlSerialize ) {
 
 jQuery.fn.extend({
        text: function( text ) {
+               if(jQuery.isFunction(text)) {
+                       return this.each(function() {
+                               return jQuery(this).text( text.call(this) );
+                       });
+               }
+
                if ( typeof text !== "object" && text !== undefined ) {
                        return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
                }
 
-               var ret = "";
-
-               jQuery.each( this, function() {
-                       // Get the text from text nodes and CDATA nodes
-                       if ( this.nodeType === 3 || this.nodeType === 4 ) {
-                               ret += this.nodeValue;
-
-                       // Traverse everything else, except comment nodes
-                       } else if ( this.nodeType !== 8 ) {
-                               ret += jQuery.fn.text.call( this.childNodes );
-                       }
-               });
-
-               return ret;
+               return jQuery.getText( this );
        },
 
        wrapAll: function( html ) {
@@ -61,7 +54,7 @@ jQuery.fn.extend({
 
                if ( this[0] ) {
                        // The elements to wrap the target around
-                       var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone();
+                       var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
 
                        if ( this[0].parentNode ) {
                                wrap.insertBefore( this[0] );
@@ -100,7 +93,7 @@ jQuery.fn.extend({
                        }
                }).end();
        },
-       
+
        append: function() {
                return this.domManip(arguments, true, function(elem){
                        if ( this.nodeType === 1 ) {
@@ -286,17 +279,11 @@ function cloneCopyEvent(orig, ret) {
        var i = 0;
 
        ret.each(function(){
-               if ( this.nodeName !== orig[i].nodeName ) {
+               if ( this.nodeName !== (orig[i] && orig[i].nodeName) ) {
                        return;
                }
 
-               var events = jQuery.data( orig[i], "events" );
-
-               for ( var type in events ) {
-                       for ( var handler in events[ type ] ) {
-                               jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
-                       }
-               }
+               jQuery.data( this, jQuery.data( orig[i++] ) );
        });
 }
 
@@ -476,7 +463,7 @@ jQuery.extend({
 
 function cleanData( elems ) {
        for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {
-               if ( (id = elem[expando]) ) {
+               if ( !jQuery.noData[elem.nodeName.toLowerCase()] && (id = elem[expando]) ) {
                        delete jQuery.cache[ id ];
                }
        }