1 var rnamespaces = /\.(.*)$/,
2 fcleanup = function( nm ) {
3 return nm.replace(/[^\w\s\.\|`]/g, function( ch ) {
9 * A number of helper functions used for managing events.
10 * Many of the ideas behind this code originated from
11 * Dean Edwards' addEvent library.
15 // Bind an event to an element
16 // Original by Dean Edwards
17 add: function( elem, types, handler, data ) {
18 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
22 // For whatever reason, IE has trouble passing the window object
23 // around, causing it to be cloned in the process
24 if ( elem.setInterval && ( elem !== window && !elem.frameElement ) ) {
28 var handleObjIn, handleObj;
30 if ( handler.handler ) {
31 handleObjIn = handler;
32 handler = handleObjIn.handler;
35 // Make sure that the function being executed has a unique ID
36 if ( !handler.guid ) {
37 handler.guid = jQuery.guid++;
40 // Init the element's event structure
41 var elemData = jQuery.data( elem );
43 // If no elemData is found then we must be trying to bind to one of the
44 // banned noData elements
49 var events = elemData.events = elemData.events || {},
50 eventHandle = elemData.handle, eventHandle;
53 elemData.handle = eventHandle = function() {
54 // Handle the second event of a trigger and when
55 // an event is called after a page has unloaded
56 return typeof jQuery !== "undefined" && !jQuery.event.triggered ?
57 jQuery.event.handle.apply( eventHandle.elem, arguments ) :
62 // Add elem as a property of the handle function
63 // This is to prevent a memory leak with non-native events in IE.
64 eventHandle.elem = elem;
66 // Handle multiple events separated by a space
67 // jQuery(...).bind("mouseover mouseout", fn);
68 types = types.split(" ");
70 var type, i = 0, namespaces;
72 while ( (type = types[ i++ ]) ) {
73 handleObj = handleObjIn ?
74 jQuery.extend({}, handleObjIn) :
75 { handler: handler, data: data };
77 // Namespaced event handlers
78 if ( type.indexOf(".") > -1 ) {
79 namespaces = type.split(".");
80 type = namespaces.shift();
81 handleObj.namespace = namespaces.slice(0).sort().join(".");
85 handleObj.namespace = "";
88 handleObj.type = type;
89 handleObj.guid = handler.guid;
91 // Get the current list of functions bound to this event
92 var handlers = events[ type ],
93 special = jQuery.event.special[ type ] || {};
95 // Init the event handler queue
97 handlers = events[ type ] = [];
99 // Check for a special event handler
100 // Only use addEventListener/attachEvent if the special
101 // events handler returns false
102 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
103 // Bind the global event handler to the element
104 if ( elem.addEventListener ) {
105 elem.addEventListener( type, eventHandle, false );
107 } else if ( elem.attachEvent ) {
108 elem.attachEvent( "on" + type, eventHandle );
114 special.add.call( elem, handleObj );
117 // Add the function to the element's handler list
118 handlers.push( handleObj );
120 // Keep track of which events have been used, for global triggering
121 jQuery.event.global[ type ] = true;
124 // Nullify elem to prevent memory leaks in IE
130 // Detach an event or set of events from an element
131 remove: function( elem, types, handler, pos ) {
132 // don't do events on text and comment nodes
133 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
137 var ret, type, fn, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType,
138 elemData = jQuery.data( elem ),
139 events = elemData && elemData.events;
141 if ( !elemData || !events ) {
145 // types is actually an event object here
146 if ( types && types.type ) {
147 handler = types.handler;
151 // Unbind all events for the element
152 if ( !types || typeof types === "string" && types.charAt(0) === "." ) {
155 for ( type in events ) {
156 jQuery.event.remove( elem, type + types );
162 // Handle multiple events separated by a space
163 // jQuery(...).unbind("mouseover mouseout", fn);
164 types = types.split(" ");
166 while ( (type = types[ i++ ]) ) {
169 all = type.indexOf(".") < 0;
173 // Namespaced event handlers
174 namespaces = type.split(".");
175 type = namespaces.shift();
177 namespace = new RegExp("(^|\\.)" +
178 jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)")
181 eventType = events[ type ];
188 for ( var j = 0; j < eventType.length; j++ ) {
189 handleObj = eventType[ j ];
191 if ( all || namespace.test( handleObj.namespace ) ) {
192 jQuery.event.remove( elem, origType, handleObj.handler, j );
193 eventType.splice( j--, 1 );
200 special = jQuery.event.special[ type ] || {};
202 for ( var j = pos || 0; j < eventType.length; j++ ) {
203 handleObj = eventType[ j ];
205 if ( handler.guid === handleObj.guid ) {
206 // remove the given handler for the given type
207 if ( all || namespace.test( handleObj.namespace ) ) {
209 eventType.splice( j--, 1 );
212 if ( special.remove ) {
213 special.remove.call( elem, handleObj );
223 // remove generic event handler if no more handlers exist
224 if ( eventType.length === 0 || pos != null && eventType.length === 1 ) {
225 if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) {
226 removeEvent( elem, type, elemData.handle );
230 delete events[ type ];
234 // Remove the expando if it's no longer used
235 if ( jQuery.isEmptyObject( events ) ) {
236 var handle = elemData.handle;
241 delete elemData.events;
242 delete elemData.handle;
244 if ( jQuery.isEmptyObject( elemData ) ) {
245 jQuery.removeData( elem );
250 // bubbling is internal
251 trigger: function( event, data, elem /*, bubbling */ ) {
252 // Event object or event type
253 var type = event.type || event,
254 bubbling = arguments[3];
257 event = typeof event === "object" ?
258 // jQuery.Event object
259 event[expando] ? event :
261 jQuery.extend( jQuery.Event(type), event ) :
262 // Just the event type (string)
265 if ( type.indexOf("!") >= 0 ) {
266 event.type = type = type.slice(0, -1);
267 event.exclusive = true;
270 // Handle a global trigger
272 // Don't bubble custom events when global (to avoid too much overhead)
273 event.stopPropagation();
275 // Only trigger if we've ever bound an event for it
276 if ( jQuery.event.global[ type ] ) {
277 jQuery.each( jQuery.cache, function() {
278 if ( this.events && this.events[type] ) {
279 jQuery.event.trigger( event, data, this.handle.elem );
285 // Handle triggering a single element
287 // don't do events on text and comment nodes
288 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
292 // Clean up in case it is reused
293 event.result = undefined;
296 // Clone the incoming data, if any
297 data = jQuery.makeArray( data );
298 data.unshift( event );
301 event.currentTarget = elem;
303 // Trigger the event, it is assumed that "handle" is a function
304 var handle = jQuery.data( elem, "handle" );
306 handle.apply( elem, data );
309 var parent = elem.parentNode || elem.ownerDocument;
311 // Trigger an inline bound script
313 if ( !(elem && elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) ) {
314 if ( elem[ "on" + type ] && elem[ "on" + type ].apply( elem, data ) === false ) {
315 event.result = false;
319 // prevent IE from throwing an error for some elements with some event types, see #3533
322 if ( !event.isPropagationStopped() && parent ) {
323 jQuery.event.trigger( event, data, parent, true );
325 } else if ( !event.isDefaultPrevented() ) {
326 var target = event.target, old,
327 isClick = jQuery.nodeName(target, "a") && type === "click",
328 special = jQuery.event.special[ type ] || {};
330 if ( (!special._default || special._default.call( elem, event ) === false) &&
331 !isClick && !(target && target.nodeName && jQuery.noData[target.nodeName.toLowerCase()]) ) {
334 if ( target[ type ] ) {
335 // Make sure that we don't accidentally re-trigger the onFOO events
336 old = target[ "on" + type ];
339 target[ "on" + type ] = null;
342 jQuery.event.triggered = true;
346 // prevent IE from throwing an error for some elements with some event types, see #3533
350 target[ "on" + type ] = old;
353 jQuery.event.triggered = false;
358 handle: function( event ) {
359 var all, handlers, namespaces, namespace, events;
361 event = arguments[0] = jQuery.event.fix( event || window.event );
362 event.currentTarget = this;
364 // Namespaced event handlers
365 all = event.type.indexOf(".") < 0 && !event.exclusive;
368 namespaces = event.type.split(".");
369 event.type = namespaces.shift();
370 namespace = new RegExp("(^|\\.)" + namespaces.slice(0).sort().join("\\.(?:.*\\.)?") + "(\\.|$)");
373 var events = jQuery.data(this, "events"), handlers = events[ event.type ];
375 if ( events && handlers ) {
376 // Clone the handlers to prevent manipulation
377 handlers = handlers.slice(0);
379 for ( var j = 0, l = handlers.length; j < l; j++ ) {
380 var handleObj = handlers[ j ];
382 // Filter the functions by class
383 if ( all || namespace.test( handleObj.namespace ) ) {
384 // Pass in a reference to the handler function itself
385 // So that we can later remove it
386 event.handler = handleObj.handler;
387 event.data = handleObj.data;
388 event.handleObj = handleObj;
390 var ret = handleObj.handler.apply( this, arguments );
392 if ( ret !== undefined ) {
394 if ( ret === false ) {
395 event.preventDefault();
396 event.stopPropagation();
400 if ( event.isImmediatePropagationStopped() ) {
410 props: "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode layerX layerY metaKey newValue offsetX offsetY originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "),
412 fix: function( event ) {
413 if ( event[ expando ] ) {
417 // store a copy of the original event object
418 // and "clone" to set read-only properties
419 var originalEvent = event;
420 event = jQuery.Event( originalEvent );
422 for ( var i = this.props.length, prop; i; ) {
423 prop = this.props[ --i ];
424 event[ prop ] = originalEvent[ prop ];
427 // Fix target property, if necessary
428 if ( !event.target ) {
429 event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either
432 // check if target is a textnode (safari)
433 if ( event.target.nodeType === 3 ) {
434 event.target = event.target.parentNode;
437 // Add relatedTarget, if necessary
438 if ( !event.relatedTarget && event.fromElement ) {
439 event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
442 // Calculate pageX/Y if missing and clientX/Y available
443 if ( event.pageX == null && event.clientX != null ) {
444 var doc = document.documentElement, body = document.body;
445 event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
446 event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
449 // Add which for key events
450 if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) ) {
451 event.which = event.charCode || event.keyCode;
454 // Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
455 if ( !event.metaKey && event.ctrlKey ) {
456 event.metaKey = event.ctrlKey;
459 // Add which for click: 1 === left; 2 === middle; 3 === right
460 // Note: button is not normalized, so don't use it
461 if ( !event.which && event.button !== undefined ) {
462 event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
468 // Deprecated, use jQuery.guid instead
471 // Deprecated, use jQuery.proxy instead
476 // Make sure the ready event is setup
477 setup: jQuery.bindReady,
478 teardown: jQuery.noop
482 add: function( handleObj ) {
483 jQuery.event.add( this, handleObj.origType, jQuery.extend({}, handleObj, {handler: liveHandler}) );
486 remove: function( handleObj ) {
488 type = handleObj.origType.replace(rnamespaces, "");
490 jQuery.each( jQuery.data(this, "events").live || [], function() {
491 if ( type === this.origType.replace(rnamespaces, "") ) {
498 jQuery.event.remove( this, handleObj.origType, liveHandler );
505 setup: function( data, namespaces, eventHandle ) {
506 // We only want to do this special case on windows
507 if ( this.setInterval ) {
508 this.onbeforeunload = eventHandle;
513 teardown: function( namespaces, eventHandle ) {
514 if ( this.onbeforeunload === eventHandle ) {
515 this.onbeforeunload = null;
522 var removeEvent = document.removeEventListener ?
523 function( elem, type, handle ) {
524 elem.removeEventListener( type, handle, false );
526 function( elem, type, handle ) {
527 elem.detachEvent( "on" + type, handle );
530 jQuery.Event = function( src ) {
531 // Allow instantiation without the 'new' keyword
532 if ( !this.preventDefault ) {
533 return new jQuery.Event( src );
537 if ( src && src.type ) {
538 this.originalEvent = src;
539 this.type = src.type;
545 // timeStamp is buggy for some events on Firefox(#3843)
546 // So we won't rely on the native value
547 this.timeStamp = now();
550 this[ expando ] = true;
553 function returnFalse() {
556 function returnTrue() {
560 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
561 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
562 jQuery.Event.prototype = {
563 preventDefault: function() {
564 this.isDefaultPrevented = returnTrue;
566 var e = this.originalEvent;
571 // if preventDefault exists run it on the original event
572 if ( e.preventDefault ) {
575 // otherwise set the returnValue property of the original event to false (IE)
576 e.returnValue = false;
578 stopPropagation: function() {
579 this.isPropagationStopped = returnTrue;
581 var e = this.originalEvent;
585 // if stopPropagation exists run it on the original event
586 if ( e.stopPropagation ) {
589 // otherwise set the cancelBubble property of the original event to true (IE)
590 e.cancelBubble = true;
592 stopImmediatePropagation: function() {
593 this.isImmediatePropagationStopped = returnTrue;
594 this.stopPropagation();
596 isDefaultPrevented: returnFalse,
597 isPropagationStopped: returnFalse,
598 isImmediatePropagationStopped: returnFalse
601 // Checks if an event happened on an element within another element
602 // Used in jQuery.event.special.mouseenter and mouseleave handlers
603 var withinElement = function( event ) {
604 // Check if mouse(over|out) are still within the same parent element
605 var parent = event.relatedTarget;
607 // Firefox sometimes assigns relatedTarget a XUL element
608 // which we cannot access the parentNode property of
610 // Traverse up the tree
611 while ( parent && parent !== this ) {
612 parent = parent.parentNode;
615 if ( parent !== this ) {
616 // set the correct event type
617 event.type = event.data;
619 // handle event if we actually just moused on to a non sub-element
620 jQuery.event.handle.apply( this, arguments );
623 // assuming we've left the element since we most likely mousedover a xul element
627 // In case of event delegation, we only need to rename the event.type,
628 // liveHandler will take care of the rest.
629 delegate = function( event ) {
630 event.type = event.data;
631 jQuery.event.handle.apply( this, arguments );
634 // Create mouseenter and mouseleave events
636 mouseenter: "mouseover",
637 mouseleave: "mouseout"
638 }, function( orig, fix ) {
639 jQuery.event.special[ orig ] = {
640 setup: function( data ) {
641 jQuery.event.add( this, fix, data && data.selector ? delegate : withinElement, orig );
643 teardown: function( data ) {
644 jQuery.event.remove( this, fix, data && data.selector ? delegate : withinElement );
650 if ( !jQuery.support.submitBubbles ) {
652 jQuery.event.special.submit = {
653 setup: function( data, namespaces ) {
654 if ( this.nodeName.toLowerCase() !== "form" ) {
655 jQuery.event.add(this, "click.specialSubmit", function( e ) {
656 var elem = e.target, type = elem.type;
658 if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) {
659 return trigger( "submit", this, arguments );
663 jQuery.event.add(this, "keypress.specialSubmit", function( e ) {
664 var elem = e.target, type = elem.type;
666 if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) {
667 return trigger( "submit", this, arguments );
676 teardown: function( namespaces ) {
677 jQuery.event.remove( this, ".specialSubmit" );
683 // change delegation, happens here so we have bind.
684 if ( !jQuery.support.changeBubbles ) {
686 var formElems = /textarea|input|select/i,
690 getVal = function( elem ) {
691 var type = elem.type, val = elem.value;
693 if ( type === "radio" || type === "checkbox" ) {
696 } else if ( type === "select-multiple" ) {
697 val = elem.selectedIndex > -1 ?
698 jQuery.map( elem.options, function( elem ) {
699 return elem.selected;
703 } else if ( elem.nodeName.toLowerCase() === "select" ) {
704 val = elem.selectedIndex;
710 testChange = function testChange( e ) {
711 var elem = e.target, data, val;
713 if ( !formElems.test( elem.nodeName ) || elem.readOnly ) {
717 data = jQuery.data( elem, "_change_data" );
720 // the current data will be also retrieved by beforeactivate
721 if ( e.type !== "focusout" || elem.type !== "radio" ) {
722 jQuery.data( elem, "_change_data", val );
725 if ( data === undefined || val === data ) {
729 if ( data != null || val ) {
731 return jQuery.event.trigger( e, arguments[1], elem );
735 jQuery.event.special.change = {
737 focusout: testChange,
739 click: function( e ) {
740 var elem = e.target, type = elem.type;
742 if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) {
743 return testChange.call( this, e );
747 // Change has to be called before submit
748 // Keydown will be called before keypress, which is used in submit-event delegation
749 keydown: function( e ) {
750 var elem = e.target, type = elem.type;
752 if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") ||
753 (e.keyCode === 32 && (type === "checkbox" || type === "radio")) ||
754 type === "select-multiple" ) {
755 return testChange.call( this, e );
759 // Beforeactivate happens also before the previous element is blurred
760 // with this event you can't trigger a change event, but you can store
761 // information/focus[in] is not needed anymore
762 beforeactivate: function( e ) {
764 jQuery.data( elem, "_change_data", getVal(elem) );
768 setup: function( data, namespaces ) {
769 if ( this.type === "file" ) {
773 for ( var type in changeFilters ) {
774 jQuery.event.add( this, type + ".specialChange", changeFilters[type] );
777 return formElems.test( this.nodeName );
780 teardown: function( namespaces ) {
781 jQuery.event.remove( this, ".specialChange" );
783 return formElems.test( this.nodeName );
787 changeFilters = jQuery.event.special.change.filters;
790 function trigger( type, elem, args ) {
792 return jQuery.event.handle.apply( elem, args );
795 // Create "bubbling" focus and blur events
796 if ( document.addEventListener ) {
797 jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
798 jQuery.event.special[ fix ] = {
800 this.addEventListener( orig, handler, true );
802 teardown: function() {
803 this.removeEventListener( orig, handler, true );
807 function handler( e ) {
808 e = jQuery.event.fix( e );
810 return jQuery.event.handle.call( this, e );
815 jQuery.each(["bind", "one"], function( i, name ) {
816 jQuery.fn[ name ] = function( type, data, fn ) {
817 // Handle object literals
818 if ( typeof type === "object" ) {
819 for ( var key in type ) {
820 this[ name ](key, data, type[key], fn);
825 if ( jQuery.isFunction( data ) ) {
830 var handler = name === "one" ? jQuery.proxy( fn, function( event ) {
831 jQuery( this ).unbind( event, handler );
832 return fn.apply( this, arguments );
835 if ( type === "unload" && name !== "one" ) {
836 this.one( type, data, fn );
839 for ( var i = 0, l = this.length; i < l; i++ ) {
840 jQuery.event.add( this[i], type, handler, data );
849 unbind: function( type, fn ) {
850 // Handle object literals
851 if ( typeof type === "object" && !type.preventDefault ) {
852 for ( var key in type ) {
853 this.unbind(key, type[key]);
857 for ( var i = 0, l = this.length; i < l; i++ ) {
858 jQuery.event.remove( this[i], type, fn );
865 delegate: function( selector, types, data, fn ) {
866 return this.live( types, data, fn, selector );
869 undelegate: function( selector, types, fn ) {
870 if ( arguments.length === 0 ) {
871 return this.unbind( "live" );
874 return this.die( types, null, fn, selector );
878 trigger: function( type, data ) {
879 return this.each(function() {
880 jQuery.event.trigger( type, data, this );
884 triggerHandler: function( type, data ) {
886 var event = jQuery.Event( type );
887 event.preventDefault();
888 event.stopPropagation();
889 jQuery.event.trigger( event, data, this[0] );
894 toggle: function( fn ) {
895 // Save reference to arguments for access in closure
896 var args = arguments, i = 1;
898 // link all the functions, so any of them can unbind this click handler
899 while ( i < args.length ) {
900 jQuery.proxy( fn, args[ i++ ] );
903 return this.click( jQuery.proxy( fn, function( event ) {
904 // Figure out which function to execute
905 var lastToggle = ( jQuery.data( this, "lastToggle" + fn.guid ) || 0 ) % i;
906 jQuery.data( this, "lastToggle" + fn.guid, lastToggle + 1 );
908 // Make sure that clicks stop
909 event.preventDefault();
911 // and execute the function
912 return args[ lastToggle ].apply( this, arguments ) || false;
916 hover: function( fnOver, fnOut ) {
917 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
924 mouseenter: "mouseover",
925 mouseleave: "mouseout"
928 jQuery.each(["live", "die"], function( i, name ) {
929 jQuery.fn[ name ] = function( types, data, fn, origSelector /* Internal Use Only */ ) {
930 var type, i = 0, match, namespaces, preType,
931 selector = origSelector || this.selector,
932 context = origSelector ? this : jQuery( this.context );
934 if ( jQuery.isFunction( data ) ) {
939 types = (types || "").split(" ");
941 while ( (type = types[ i++ ]) != null ) {
942 match = rnamespaces.exec( type );
946 namespaces = match[0];
947 type = type.replace( rnamespaces, "" );
950 if ( type === "hover" ) {
951 types.push( "mouseenter" + namespaces, "mouseleave" + namespaces );
957 if ( type === "focus" || type === "blur" ) {
958 types.push( liveMap[ type ] + namespaces );
959 type = type + namespaces;
962 type = (liveMap[ type ] || type) + namespaces;
965 if ( name === "live" ) {
967 context.each(function(){
968 jQuery.event.add( this, liveConvert( type, selector ),
969 { data: data, selector: selector, handler: fn, origType: type, origHandler: fn, preType: preType } );
973 // unbind live handler
974 context.unbind( liveConvert( type, selector ), fn );
982 function liveHandler( event ) {
983 var stop, elems = [], selectors = [], args = arguments,
984 related, match, handleObj, elem, j, i, l, data,
985 events = jQuery.data( this, "events" );
987 // Make sure we avoid non-left-click bubbling in Firefox (#3861)
988 if ( event.liveFired === this || !events || !events.live || event.button && event.type === "click" ) {
992 event.liveFired = this;
994 var live = events.live.slice(0);
996 for ( j = 0; j < live.length; j++ ) {
999 if ( handleObj.origType.replace( rnamespaces, "" ) === event.type ) {
1000 selectors.push( handleObj.selector );
1003 live.splice( j--, 1 );
1007 match = jQuery( event.target ).closest( selectors, event.currentTarget );
1009 for ( i = 0, l = match.length; i < l; i++ ) {
1010 for ( j = 0; j < live.length; j++ ) {
1011 handleObj = live[j];
1013 if ( match[i].selector === handleObj.selector ) {
1014 elem = match[i].elem;
1017 // Those two events require additional checking
1018 if ( handleObj.preType === "mouseenter" || handleObj.preType === "mouseleave" ) {
1019 related = jQuery( event.relatedTarget ).closest( handleObj.selector )[0];
1022 if ( !related || related !== elem ) {
1023 elems.push({ elem: elem, handleObj: handleObj });
1029 for ( i = 0, l = elems.length; i < l; i++ ) {
1031 event.currentTarget = match.elem;
1032 event.data = match.handleObj.data;
1033 event.handleObj = match.handleObj;
1035 if ( match.handleObj.origHandler.apply( match.elem, args ) === false ) {
1044 function liveConvert( type, selector ) {
1045 return "live." + (type && type !== "*" ? type + "." : "") + selector.replace(/\./g, "`").replace(/ /g, "&");
1048 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
1049 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
1050 "change select submit keydown keypress keyup error").split(" "), function( i, name ) {
1052 // Handle event binding
1053 jQuery.fn[ name ] = function( fn ) {
1054 return fn ? this.bind( name, fn ) : this.trigger( name );
1057 if ( jQuery.attrFn ) {
1058 jQuery.attrFn[ name ] = true;
1062 // Prevent memory leaks in IE
1063 // Window isn't included so as not to unbind existing unload events
1065 // - http://isaacschlueter.com/2006/10/msie-memory-leaks/
1066 if ( window.attachEvent && !window.addEventListener ) {
1067 window.attachEvent("onunload", function() {
1068 for ( var id in jQuery.cache ) {
1069 if ( jQuery.cache[ id ].handle ) {
1070 // Try/Catch is to handle iframes being unloaded, see #4280
1072 jQuery.event.remove( jQuery.cache[ id ].handle.elem );