j= 0;//如果事件处理对象{handleObjs}存在(一个元素可能有很多handleObjs),且事件不需要立刻阻止冒泡while((handleObj = matched.handlers[j++]) && !event.isImmediatePropagationStopped()) {//Triggered event must either 1) have no namespace, or//2) have namespace(s) a subset or equal to those ...
isPropagationStopped() ) { lastElement.removeEventListener( type, stopPropagationCallback ); } jQuery.event.triggered = undefined; if ( tmp ) { elem[ ontype ] = tmp; } } } } return event.result; }, 解析: (1)trigger()的冒泡机制的实现 在if ( !onlyHandlers && !special.noBubble &&...
eventHandle, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = data_priv.get(elem); // Don't attach events to noData or text/comment nodes (but allow plain objects) //取出dom对象的数据缓存对象,如果为空或是text,comment节点,直接退出,不会绑定事件 if (!
// Just the event type (string) new jQuery.Event( type ); 有三种情况 ,event 本身就是jQuery.Event类的实例 ,event是个普通js对象(非jQuery.Event类的实例) ,event是个字符串,如"click" 续 event.type = type; event.exclusive = exclusive; event.namespace = namespaces.join("."); event.namespac...
Indicates whether this event type should be bubbled when the.trigger()method is called; by default it isfalse, meaning that a triggered event will bubble to the element's parents up to the document (if attached to a document) and then to the window. Note that definingnoBubbleon an event...
(eventHandle=elemData.handle)){eventHandle=elemData.handle=function(e){//当在一个页面卸载后调用事件时,取消jQuery.event.trigger()的第二个事件// Discard the second event of a jQuery.event.trigger() and// when an event is called after a page has unloaded//jQuery.event.triggered: undefined/...
All widgets have a create event which is triggered upon instantiation. Instance The widget's instance can be retrieved from a given element using the instance() method. 1 $( "#elem" ).progressbar( "instance" ); If the instance() method is called on an element that is not associated ...
this.menu.element.outerWidth( 500 ); } Events change( event, ui )Type: autocompletechange Triggered when the field is blurred, if the value has changed. event Type: Event ui Type: Object item Type: Object The item selected from the menu, if any. Otherwise the property is null. Co...
An object containing data that will be passed to the event handler. handler Type:Function(EventeventObject ) A function to execute each time the event is triggered. This page describes thekeypressevent. For the deprecated.keypress()method, see.keypress(). ...
Whether to trigger global Ajax event handlers for this request. The default istrue. Set tofalseto prevent the global handlers likeajaxStartorajaxStopfrom being triggered. This can be used to control variousAjax Events. headers(default:{}) ...