- var events = jQuery.data(element, "events") || jQuery.data(element, "events", {});
-
- var handle = jQuery.data(element, "handle") || jQuery.data(element, "handle", function(){
- // returned undefined or false
- var val;
-
- // Handle the second event of a trigger and when
- // an event is called after a page has unloaded
- if ( typeof jQuery == "undefined" || jQuery.event.triggered )
- return val;
-
- val = jQuery.event.handle.apply(element, arguments);
-
- return val;
- });
+ var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}),
+ handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){
+ // Handle the second event of a trigger and when
+ // an event is called after a page has unloaded
+ if ( typeof jQuery != "undefined" && !jQuery.event.triggered )
+ return jQuery.event.handle.apply(arguments.callee.elem, arguments);
+ });
+ // Add elem as a property of the handle function
+ // This is to prevent a memory leak with non-native
+ // event in IE.
+ handle.elem = elem;
+
+ // Handle multiple events separated by a space
+ // jQuery(...).bind("mouseover mouseout", fn);
+ jQuery.each(types.split(/\s+/), function(index, type) {
+ // Namespaced event handlers
+ var parts = type.split(".");
+ type = parts[0];
+ handler.type = parts[1];
+
+ // Get the current list of functions bound to this event
+ var handlers = events[type];
+
+ // Init the event handler queue
+ if (!handlers) {
+ handlers = events[type] = {};
+
+ // Check for a special event handler
+ // Only use addEventListener/attachEvent if the special
+ // events handler returns false
+ if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem) === false ) {
+ // Bind the global event handler to the element
+ if (elem.addEventListener)
+ elem.addEventListener(type, handle, false);
+ else if (elem.attachEvent)
+ elem.attachEvent("on" + type, handle);
+ }
+ }