+ if ( handler === false ) {
+ handler = returnFalse;
+ }
+
+ var ret, type, fn, j, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType,
+ elemData = jQuery.hasData( elem ) && jQuery._data( elem ),
+ events = elemData && elemData.events;
+
+ if ( !elemData || !events ) {
+ return;
+ }
+
+ // types is actually an event object here
+ if ( types && types.type ) {
+ handler = types.handler;
+ types = types.type;
+ }
+
+ // Unbind all events for the element
+ if ( !types || typeof types === "string" && types.charAt(0) === "." ) {
+ types = types || "";
+
+ for ( type in events ) {
+ jQuery.event.remove( elem, type + types );
+ }