if ( src && src.type ) {
this.originalEvent = src;
this.type = src.type;
+
+ // Events bubbling up the document may have been marked as prevented
+ // by a handler lower down the tree; reflect the correct value.
+ this.isDefaultPrevented = (src.defaultPrevented || src.returnValue === false ||
+ src.getPreventDefault && src.getPreventDefault()) ? returnTrue : returnFalse;
+
// Event type
} else {
this.type = src;
}
});
-// Prevent memory leaks in IE
-// Window isn't included so as not to unbind existing unload events
-// More info:
-// - http://isaacschlueter.com/2006/10/msie-memory-leaks/
-if ( window.attachEvent && !window.addEventListener ) {
- jQuery(window).bind("unload", function() {
- for ( var id in jQuery.cache ) {
- if ( jQuery.cache[ id ].handle ) {
- // Try/Catch is to handle iframes being unloaded, see #4280
- try {
- jQuery.event.remove( jQuery.cache[ id ].handle.elem );
- } catch(e) {}
- }
- }
- });
-}
-
})( jQuery );