fix clone(true) for IE

diff --git a/src/core.js b/src/core.js
index 140208d16cf387759198ca1ef86ec75fc77aed5f..eb135400a8d7fa506dab1347e75cd59264ce76bb 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -233,17 +233,23 @@ jQuery.fn = jQuery.prototype = {
                var ret = this.map(function(){
                        return this.outerHTML ? jQuery(this.outerHTML)[0] : this.cloneNode(true);
                });
-               
-               if (events === true) {
-                       var clone = ret.find("*").andSelf();
 
+               // Need to set the expando to null on the cloned set if it exists
+               // removeData doesn't work here, IE removes it from the original as well
+               // this is primarily for IE but the data expando shouldn't be copied over in any browser
+               var clone = ret.find("*").andSelf().each(function(){
+                       if ( this[ expando ] != undefined )
+                               this[ expando ] = null;
+               });
+               
+               // Copy the events from the original to the clone
+               if (events === true)
                        this.find("*").andSelf().each(function(i) {
                                var events = jQuery.data(this, "events");
                                for ( var type in events )
                                        for ( var handler in events[type] )
                                                jQuery.event.add(clone[i], type, events[type][handler], events[type][handler].data);
                        });
-               }
 
                // Return the cloned set
                return ret;