📄 jquery.js
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jQuery.event.add( this, handleObj.origType, jQuery.extend({}, handleObj, {handler: liveHandler}) ); }, remove: function( handleObj ) { var remove = true, type = handleObj.origType.replace(rnamespaces, ""); jQuery.each( jQuery.data(this, "events").live || [], function() { if ( type === this.origType.replace(rnamespaces, "") ) { remove = false; return false; } }); if ( remove ) { jQuery.event.remove( this, handleObj.origType, liveHandler ); } } }, beforeunload: { setup: function( data, namespaces, eventHandle ) { // We only want to do this special case on windows if ( this.setInterval ) { this.onbeforeunload = eventHandle; } return false; }, teardown: function( namespaces, eventHandle ) { if ( this.onbeforeunload === eventHandle ) { this.onbeforeunload = null; } } } }};var removeEvent = document.removeEventListener ? function( elem, type, handle ) { elem.removeEventListener( type, handle, false ); } : function( elem, type, handle ) { elem.detachEvent( "on" + type, handle ); };jQuery.Event = function( src ) { // Allow instantiation without the 'new' keyword if ( !this.preventDefault ) { return new jQuery.Event( src ); } // Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type; // Event type } else { this.type = src; } // timeStamp is buggy for some events on Firefox(#3843) // So we won't rely on the native value this.timeStamp = now(); // Mark it as fixed this[ expando ] = true;};function returnFalse() { return false;}function returnTrue() { return true;}// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.htmljQuery.Event.prototype = { preventDefault: function() { this.isDefaultPrevented = returnTrue; var e = this.originalEvent; if ( !e ) { return; } // if preventDefault exists run it on the original event if ( e.preventDefault ) { e.preventDefault(); } // otherwise set the returnValue property of the original event to false (IE) e.returnValue = false; }, stopPropagation: function() { this.isPropagationStopped = returnTrue; var e = this.originalEvent; if ( !e ) { return; } // if stopPropagation exists run it on the original event if ( e.stopPropagation ) { e.stopPropagation(); } // otherwise set the cancelBubble property of the original event to true (IE) e.cancelBubble = true; }, stopImmediatePropagation: function() { this.isImmediatePropagationStopped = returnTrue; this.stopPropagation(); }, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse};// Checks if an event happened on an element within another element// Used in jQuery.event.special.mouseenter and mouseleave handlersvar withinElement = function( event ) { // Check if mouse(over|out) are still within the same parent element var parent = event.relatedTarget; // Firefox sometimes assigns relatedTarget a XUL element // which we cannot access the parentNode property of try { // Traverse up the tree while ( parent && parent !== this ) { parent = parent.parentNode; } if ( parent !== this ) { // set the correct event type event.type = event.data; // handle event if we actually just moused on to a non sub-element jQuery.event.handle.apply( this, arguments ); } // assuming we've left the element since we most likely mousedover a xul element } catch(e) { }},// In case of event delegation, we only need to rename the event.type,// liveHandler will take care of the rest.delegate = function( event ) { event.type = event.data; jQuery.event.handle.apply( this, arguments );};// Create mouseenter and mouseleave eventsjQuery.each({ mouseenter: "mouseover", mouseleave: "mouseout"}, function( orig, fix ) { jQuery.event.special[ orig ] = { setup: function( data ) { jQuery.event.add( this, fix, data && data.selector ? delegate : withinElement, orig ); }, teardown: function( data ) { jQuery.event.remove( this, fix, data && data.selector ? delegate : withinElement ); } };});// submit delegationif ( !jQuery.support.submitBubbles ) { jQuery.event.special.submit = { setup: function( data, namespaces ) { if ( this.nodeName.toLowerCase() !== "form" ) { jQuery.event.add(this, "click.specialSubmit", function( e ) { var elem = e.target, type = elem.type; if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) { return trigger( "submit", this, arguments ); } }); jQuery.event.add(this, "keypress.specialSubmit", function( e ) { var elem = e.target, type = elem.type; if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) { return trigger( "submit", this, arguments ); } }); } else { return false; } }, teardown: function( namespaces ) { jQuery.event.remove( this, ".specialSubmit" ); } };}// change delegation, happens here so we have bind.if ( !jQuery.support.changeBubbles ) { var formElems = /textarea|input|select/i, changeFilters, getVal = function( elem ) { var type = elem.type, val = elem.value; if ( type === "radio" || type === "checkbox" ) { val = elem.checked; } else if ( type === "select-multiple" ) { val = elem.selectedIndex > -1 ? jQuery.map( elem.options, function( elem ) { return elem.selected; }).join("-") : ""; } else if ( elem.nodeName.toLowerCase() === "select" ) { val = elem.selectedIndex; } return val; }, testChange = function testChange( e ) { var elem = e.target, data, val; if ( !formElems.test( elem.nodeName ) || elem.readOnly ) { return; } data = jQuery.data( elem, "_change_data" ); val = getVal(elem); // the current data will be also retrieved by beforeactivate if ( e.type !== "focusout" || elem.type !== "radio" ) { jQuery.data( elem, "_change_data", val ); } if ( data === undefined || val === data ) { return; } if ( data != null || val ) { e.type = "change"; return jQuery.event.trigger( e, arguments[1], elem ); } }; 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 ); } }, // Change has to be called before submit // Keydown will be called before keypress, which is used in submit-event delegation keydown: function( e ) { var elem = e.target, type = elem.type; if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") || (e.keyCode === 32 && (type === "checkbox" || type === "radio")) || type === "select-multiple" ) { return testChange.call( this, e ); } }, // Beforeactivate happens also before the previous element is blurred // with this event you can't trigger a change event, but you can store // information/focus[in] is not needed anymore beforeactivate: function( e ) { var elem = e.target; jQuery.data( elem, "_change_data", getVal(elem) ); } }, setup: function( data, namespaces ) { if ( this.type === "file" ) { return false; } for ( var type in changeFilters ) { jQuery.event.add( this, type + ".specialChange", changeFilters[type] ); } return formElems.test( this.nodeName ); }, teardown: function( namespaces ) { jQuery.event.remove( this, ".specialChange" ); return formElems.test( this.nodeName ); } }; changeFilters = jQuery.event.special.change.filters;}function trigger( type, elem, args ) { args[0].type = type; return jQuery.event.handle.apply( elem, args );}// Create "bubbling" focus and blur eventsif ( document.addEventListener ) { jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { jQuery.event.special[ fix ] = { setup: function() { this.addEventListener( orig, handler, true ); }, teardown: function() { this.removeEventListener( orig, handler, true ); } }; function handler( e ) { e = jQuery.event.fix( e ); e.type = fix; return jQuery.event.handle.call( this, e ); } });}jQuery.each(["bind", "one"], function( i, name ) { jQuery.fn[ name ] = function( type, data, fn ) { // Handle object literals if ( typeof type === "object" ) { for ( var key in type ) { this[ name ](key, data, type[key], fn); } return this; } if ( jQuery.isFunction( data ) ) { fn = data; data = undefined; } var handler = name === "one" ? jQuery.proxy( fn, function( event ) { jQuery( this ).unbind( event, handler ); return fn.apply( this, arguments ); }) : fn; if ( type === "unload" && name !== "one" ) { this.one( type, data, fn ); } else { for ( var i = 0, l = this.length; i < l; i++ ) { jQuery.event.add( this[i], type, handler, data ); } } return this; };});jQuery.fn.extend({ unbind: function( type, fn ) { // Handle object literals if ( typeof type === "object" && !type.preventDefault ) { for ( var key in type ) { this.unbind(key, type[key]); } } else { for ( var i = 0, l = this.length; i < l; i++ ) { jQuery.event.remove( this[i], type, fn ); } } return this; }, delegate: function( selector, types, data, fn ) { return this.live( types, data, fn, selector ); }, undelegate: function( selector, types, fn ) { if ( arguments.length === 0 ) { return this.unbind( "live" ); } else { return this.die( types, null, fn, selector ); } }, trigger: function( type, data ) { return this.each(function() { jQuery.event.trigger( type, data, this ); }); }, triggerHandler: function( type, data ) { if ( this[0] ) { var event = jQuery.Event( type ); event.preventDefault(); event.stopPropagation(); jQuery.event.trigger( event, data, this[0] ); return event.result; } }, toggle: function( fn ) { // Save reference to arguments for access in closure var args = arguments, i = 1; // link all the functions, so any of them can unbind this click handler while ( i < args.length ) { jQuery.proxy( fn, args[ i++ ] ); } return this.click( jQuery.proxy( fn, function( event ) { // Figure out which function to execute var lastToggle = ( jQuery.data( this, "lastToggle" + fn.guid ) || 0 ) % i; jQuery.data( this, "lastToggle" + fn.guid, lastToggle + 1 ); // Make sure that clicks stop event.preventDefault(); // and execute the function return args[ lastToggle ].apply( this, arguments ) || false; })); }, hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); }});var liveMap = { focus: "focusin", blur: "focusout", mouseenter: "mouseover", mouseleave: "mouseout"};jQuery.each(["live", "die"], function( i, name ) { jQuery.fn[ name ] = function( types, data, fn, origSelector /* Internal Use Only */ ) { var type, i = 0, match, namespaces, preType, selector = origSelector || this.selector, context = origSelector ? this : jQuery( this.context ); if ( jQuery.isFunction( data ) ) { fn = data; data = undefined; } types = (types || "").split(" "); while ( (type = types[ i++ ]) != null ) { match = rnamespaces.exec( type ); namespaces = ""; if ( match ) { namespaces = match[0]; type = type.replace( rnamespaces, "" ); } if ( type === "hover" ) { types.push( "mouseenter" + namespaces, "mouseleave" + namespaces ); continue; } preType = type; if ( type === "focus" || type === "blur" ) { types.push( liveMap[ type ] + namespaces ); type = type + namespaces; } else { type = (liveMap[ type ] || type) + namespaces; } if ( name === "live" ) { // bind live handler context.each(function(){ jQuery.event.add( this, liveConvert( type, selector ), { data: data, selector: selector, handler: fn, origType: type, origHandler: fn, preType: preType } ); }); } else { // unbind live handler context.unbind( liveConvert( type, selector ), fn ); } } return this; }});function liveHandler( event ) { var stop, elems = [], selectors = [], args = arguments, related, match, handleObj, elem, j, i, l, data, events = jQuery.data( this, "events" ); // Make sure we avoid non-left-click bubbling in Firefox (#3861) if ( event.liveFire
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