// Init the element's event structure
var events = jQuery.data( elem, "events" ) || jQuery.data( elem, "events", {} ),
- handle = jQuery.data( elem, "handle" ) || jQuery.data( elem, "handle", function eventHandle() {
+ handle = jQuery.data( elem, "handle" ), eventHandle;
+
+ if ( !handle ) {
+ eventHandle = function() {
// Handle the second event of a trigger and when
// an event is called after a page has unloaded
return typeof jQuery !== "undefined" && !jQuery.event.triggered ?
jQuery.event.handle.apply( eventHandle.elem, arguments ) :
undefined;
- });
+ };
+
+ handle = jQuery.data( elem, "handle", eventHandle );
+ }
+
// Add elem as a property of the handle function
// This is to prevent a memory leak with non-native
// event in IE.
// More info:
// - http://isaacschlueter.com/2006/10/msie-memory-leaks/
/*@cc_on
-jQuery( window ).bind( 'unload', function() {
+window.attachEvent("onunload", function() {
for ( var id in jQuery.cache ) {
- // Skip the window
- if ( id != 1 && jQuery.cache[ id ].handle ) {
+ if ( jQuery.cache[ id ].handle ) {
// Try/Catch is to handle iframes being unloaded, see #4280
try {
jQuery.event.remove( jQuery.cache[ id ].handle.elem );