Ticket #1731: 1731.diff

src/event.js

@@ -43 +43 @@
                 // Init the element's event structure
                 var events = jQuery.data(element, "events") || jQuery.data(element, "events", {});
                 
-                var handle = jQuery.data(element, "handle", function(){
+                var handle = jQuery.data(element, "handle") || jQuery.data(element, "handle", function(){
                         // returned undefined or false
                         var val;
 
@@ -69 +69 @@
                                 element.addEventListener(type, handle, false);
                         else
                                 element.attachEvent("on" + type, handle);
+                        
+                        // Add element to the event cache
+                        this.cache.push(element);
                 }
 
                 // Add the function to the element's handler list
@@ -80 +83 @@
 
         guid: 1,
         global: {},
+        cache: [],
 
         // Detach an event or set of events from an element
         remove: function(element, type, handler) {
@@ -448 +452 @@
         // A fallback to window.onload, that will always work
         jQuery.event.add( window, "load", jQuery.ready );
 }
+
+
+// Remove events on window unload for IE to prevent memory leaks
+if ( jQuery.browser.msie )
+        jQuery(window).unload( function() {
+                jQuery( jQuery.event.cache ).unbind();
+        });