- if ( elem.nodeName.toLowerCase() === "input" && elem.type === "radio" && !elem.checked ) {
- return trigger( "change", this, arguments );
+ if ( val === data ) {
+ return;
+ }
+
+ // the current data will be also retrieved by beforeactivate
+ if ( e.type !== "focusout" || elem.type !== "radio" ) {
+ jQuery.data( elem, "_change_data", val );
+ }
+
+ if ( elem.type !== "select" && (data != null || val) ) {
+ e.type = "change";
+ return jQuery.event.trigger( e, arguments[1], this );
+ }
+}
+
+jQuery.event.special.change = {
+ filters: {
+ focusout: testChange,
+
+ click: function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) {
+ return testChange.call( this, e );