event bubbling javascript

Events are one of the core elements of JavaScript, and an important concept that inevitably comes to the application of events is event bubbling, which introduces another important conceptual event flow before introducing event bubbles: A. What is an

also supports text node event bubbling.Event captures reach the top level of the target in different browsers or different browser versions also have a difference. In IE6, HTML is a receive event bubbling, and most browsers continue bubbling to the Window object, which is ... body→documen→window.Blocking bubbles does

However, in today's large web interaction projects, such as large webgame projects, the JavaScript event bubbling effect is worth paying attention to. This article is a simple example of JavaScript event bubbling and usage conside

Example of JavaScript blocking event bubbling, javascript example Previously, I encountered an event bubble problem and went to the Internet to search for it. Most of the results were the same code, and the post was not very smooth. When FF is involved, you can use e. stopPr

Although proficient in jquery, but not very familiar with its prototype javascript, recently encountered some difficulties in learning javascript, such as bubble and capture, many times mentioned, but I do not know where the application is. I have found some good articles to explain and share them with you. I. sequence of events The origin of this problem is very simple. Suppose you have nested another ele

Blocking JavaScript event bubbling transfer (cancelBubble, stopPropagation) cancelBubble is valid in IE StopPropagation is valid in Firefox The Code is as follows: Prevents JavaScript event bubbling transfer (cancelBubble, st

true: Handler placed in capture phase Just for elem.on(event, selector, handler) , you only need to return false be able to block default events and prevent bubbling Stop bubbling It is generally not necessary to block bubbling, since blocking bubbles may affect other

Simple Example of javascript event bubbling, javascript bubble This article describes the definition and usage of javascript event bubbling. We will share this with you for your referen

= document.queryselector (". Toolbar"); Toolbar.addeventlistener ("Click", Function (e) {var button = E.target; if (!button.classlist.contains ("active")) Button.classList.add ("active"); else Button.classList.remove ("active");});This way we clean up a lot of code and never loop anymore. Note that we used the e.target instead of the previous e.currenttarget. This is because we are listening to events on a different level. E.target is the object that is currently triggering the

element, let's put the event handling here and try it out. We need to tweak it a little bit:var toolbar = document.queryselector (". Toolbar"); Toolbar.addeventlistener ("Click", Function (e) {var button = E.target; if (!button.classlist.contains ("active")) Button.classList.add ("active"); else Button.classList.remove ("active");});This way we clean up a lot of code and never loop anymore. Note that we used the e.target instead of the previous e.cur

JavaScript Example 6 (event bubbling and capturing) and javascript example

This article mainly introduces JavaScript and jquery mouse mouse event bubbling, this article summarizes some of the findings of the mouse event, and gives the JavaScript and jquery test code, the need for friends can refer to the Simple Mouse Movement Events: Enter The c

This article helps you understand some of the event bubble knowledge. I. What is event bubbling?Trigger a certain type of event on an object (such as clicking an onclick event). If this object defines the event handler, this

In JavaScript Dom operation will definitely encounter JS bubbling event, most commonly is the div pop-up window event solutionWhen clicking on the gray part of the pop-up window disappears, clicking on the Black section has no effect.The following section of code to analyze the bub