Browsers give elements some natural default behavior, regardless of whether the associated method is bound, whenever the behavior is performed, the associated event behavior must...
DOMNodeInsertedIntoDocument: in a node is inserted into the document directly or indirectly by subtree is inserted into the document after the trigger. This event triggered...
An overview of the browser's event model, which uses listener functions to react to events. After the event occurs, the browser listens for the event...
When we do front-end development at Clearleft, we usually provide production code in the form of component libraries. This means that our priorities are performance,...
Propagation between child elements and parent elements after an event occurs. The propagation can be divided into three stages. DOM event propagation has three stages:...
The essence of an event is a way of communication between the components of a program, as well as an implementation of asynchronous programming. The...
Many technology-conscious Internet companies require candidates to write code on paper as part of their engineering recruitment process. What are some of the things that...
Small knowledge, big challenge! This article is participating in the creation activity of "Essential Tips for Programmers". ReplaceChild, cloneNode, removeChild, replace node, cloneNode,
From the time I touched the front end until now, I've been hearing one thing: DOM manipulation is expensive, so don't manipulate DOM lightly. Especially...
I recently had a problem with the vertical navigation component: the corresponding JavaScript code did not fire when a menu item was clicked. After I...
The DOM standard specification provides Node objects, which provide properties and methods for parsing the DOM Node tree structure. DOM tree structure mainly depends on...