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Implementing the radio box drop-down menu to add file effects based on JavaScript

This section describes the implementation of radio box/drop-down menu/add-file, comprehensive css, html and JavaScript. The specific details are as follows: Radio box: The implemented functions are: (similar to the usual personality test) First hide part

2025-07-06
Quickly solve the problem of timely rendering of pages after dynamically changing the attributes of dom elements by js

Today, a progress bar loading process is implemented, and the dom structure is actually two divs<div><div id="percent_bar"></div></div> By controlling the wide width attribute of the inner div, you can achieve the effect of moving forward on the progress

2025-07-06
Simple implementation of js rewrite method

As shown below: Function.prototype.method = function(name, fn) { this.prototype[name] = fn;//This should refer to the Function.prototype object return

2025-07-06
js simple pop-up box with close button

The code copy is as follows:

2025-07-06
Simple example of javascript event bubble

This article describes the definition and usage of javascript event bubbles. Share it for your reference, as follows:

2025-07-06
Detailed explanation of the use of Affix controls in BootStrap and how to maintain the beautiful layout

Affix is a useful control in BootStrap, which can monitor the position of the browser's scrollbar and keep your navigation in the visible area of the page at all times. At the beginning, navigation was a normal streaming layout in the page, occupy

2025-07-06
Detailed explanation of how to create JS prototype object

This article describes the creation method of JS prototype object. Share it for your reference. The details are as follows: When using the prototype attribute of js, the method of creating objects is to have priority. 1. If there is a construction method

2025-07-06
JavaScript throttling function Throttle details

In the browser DOM event, some events will be triggered continuously with the user's operations. For example: resize the browser window, scroll the browser page, and mousemove. That is to say, when the user triggers these browser operations, if the co

2025-07-06
The second article starts with Bootstrap

In the previous article, I introduced the basic knowledge of Bootstrap. Next, through this article, I will introduce to you the file of bootstrap that can be downloaded at http://getbootstrap.com. Click on the download bootstrap on the left to download bo

2025-07-06
JS and HTML use marquee tags to achieve seamless scrolling effect code

Recently, I am working on a front-end development project, which requires seamless scrolling effect, up, down, left and right scrolling seamlessly. The following editor will share the implementation code to the Wulin Network platform. Friends who need it

2025-07-06
Html5 implements QR code scanning and parsing

This article mainly introduces the relevant information on Html5 to scan and parse QR codes. Friends who need it can refer to the introduction: Recently, there is a requirement for the company project. In the Weibo client, a button on the h5 page can inte

2025-07-06
A simple and easy-to-understand pop-up box on the mobile side

Let me show you the renderings first. If you feel it is pretty good, please continue to refer to the implementation code. The key code is as follows: function tishi(content,url) {var html = '

2025-07-06
Detailed explanation of the Boolean type of JavaScript type system

The previous Boolean type may be the simplest of the three types of wrapping objects Number, String and Boolean. Number and String objects have a large number of instance properties and methods, but Booleans have very few. In a sense, designing programs f

2025-07-05
Bootstrap Learning Notes First Learning Bootstrap

Bootstrap is a very popular front-end framework. In short, it is a tool set for html, css, and javascript. We can use bootstrap to build a simple and fresh website or software interface. With bootstrap, backend developers no longer have to worry about bui

2025-07-05
Summary of basic knowledge points of JavaScript (recommended)

Variables defined outside the function must be global variables; variables defined inside the function, if var is declared, then the variable is a local variable. If var is not declared, then the variable is a global variable. 1. Global variables and loca

2025-07-05

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