event bubbling vs capturing

　　The interaction between JavaScript and HTML is implemented through events. The browser's event flow is a very important concept. Not to discuss those ancient browsers that have event capture and event bubbling controversy,Just know that the event flow specified in DOM2 inc

　　Add an onclick event to a child tag with the bubbling nature of the event

bindings for these dynamic elements as well. And then we're going to persist these processing functions and the variables we're going to use for the current context, which doesn't sound like a reliable thing.There may be other ways.Let's start with a full understanding of how events work and how they are delivered in the DOM.How the event worksWhen the user clicks on an element, an event is generated to in

The AddEventListener () method can specify the "usecapture" parameter to set the delivery event type:false→ bubble true→ captures the default false. The inner element is the p tag, the outer element is the div tag, and the experiment is as follows:In bubbling, an inner element's event is first triggered before the outer element is triggered, in order: internal ==

This article analyzes the JS bubbling event and event capture. Share to everyone for your reference, specific as follows: Case Summary 1. Click Mydiv. In turn, Div-body-html-document-window. 2. Click on other blank places. In turn, Html-document-window. 3. Two consecutive clicks, will be executed in order twice 4. The premise of

Bubbling events JS "Bubbling Event" (bubble) is not a practical use of fancy techniques, it is a JS event execution sequence mechanism, "bubble algorithm" in the programming is a classic problem, bubble algorithm inside the "bubble" should be said to exchange more accurate; JS inside the "bubble

The example of this article analyzes the DOM event bubbling in jquery. Share to everyone for your reference. The specific analysis is as follows: What is bubbling You can have multiple events on a page, or multiple elements to respond to the same event. Suppose there are two elements on the Web page, one of which is

There are two very important features in the Javasciprt event: event bubbling and the target element.Event bubbling: When an event on an element is triggered, such as a mouse click on a button, the same event will be triggered in

e.stoppropagation () blocks event bubbling The code is as follows: ;nbsp; nbsp; return false is equivalent to calling both E.preventdefault () and E.stoppropagation () nbsp; nbsp; Return false prevents event bubbling, in addition to blocking the default behavior. 　　If you have a jquery source code in hand, you can v

1. Block the default event for a form, or the default event "Event.preventdefault ()" That slides in the HTML5 Chinese file, blocking the default event for the element. Demo1-1: Block element class default event Document.getelementbytagname ("a"). AddEventListener ("click", Function (e) {e.preventdefault ()},false); C

One, what is event bubblingFires a class of events on an object (such as clicking the OnClick event), and if this object defines a handler for this event, then this event invokes the handler, and if the event handler is not defined or the

1. Original Ecological events Get Original event objects: Prevent event bubbles: 1 // if the event object is provided, this is a non-IE browser 2 if (E E. stoppropagation) 3 // Therefore, it supports the W3C stoppropagation () method 4 E. stoppropagation (); 5 else6 // otherwise, we need to use IE to cancel event

ArticleDirectory I. What is event bubbling? Ii. What is the function of event bubbling? 3. What should I pay attention? 4. Prevent event bubbles I. What is event bubbling