- if ( events ) {
- // Unbind all events for the element
- if ( types === undefined || (typeof types === "string" && types.charAt(0) === ".") ) {
- for ( type in events ) {
- this.remove( elem, type + (types || "") );
- }
- } else {
- // types is actually an event object here
- if ( types.type ) {
- handler = types.handler;
- types = types.type;
+ var ret, type, fn, j, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType,
+ elemData = 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 );
+ }
+
+ return;
+ }
+
+ // Handle multiple events separated by a space
+ // jQuery(...).unbind("mouseover mouseout", fn);
+ types = types.split(" ");
+
+ while ( (type = types[ i++ ]) ) {
+ origType = type;
+ handleObj = null;
+ all = type.indexOf(".") < 0;
+ namespaces = [];
+
+ if ( !all ) {
+ // Namespaced event handlers
+ namespaces = type.split(".");
+ type = namespaces.shift();
+
+ namespace = new RegExp("(^|\\.)" +
+ jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)");
+ }
+
+ eventType = events[ type ];
+
+ if ( !eventType ) {
+ continue;
+ }
+
+ if ( !handler ) {
+ for ( j = 0; j < eventType.length; j++ ) {
+ handleObj = eventType[ j ];
+
+ if ( all || namespace.test( handleObj.namespace ) ) {
+ jQuery.event.remove( elem, origType, handleObj.handler, j );
+ eventType.splice( j--, 1 );
+ }