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Web design tutorial

js imitate Tencent QQ's web login interface

I have been using Tencent QQ for nearly ten years. Today, I have been trying to imitate Tencent QQ’s login panel to make a web version of login panel. Then I refer to some code, imitate it myself, and learn to write one. The effect is as follows: The drag

2025-08-18
Sample code for removingChild method development in JavaScript

1. Overview Although the deleted node is no longer in the document tree, it is actually still in memory and can be added to another location at any time. When you traverse the child node of a parent node and perform a delete operation, please note that th

2025-08-18
The difference and handling of single and double quotes in javascript

There is actually no difference between single quotes and double quotes. It depends on your accustomed to copying the code code as follows:<input type="button" onclick="alert("1")"> -----------------------------------------Incorrect

2025-08-18
html5 draws an image using canvas

This article mainly introduces the use of canvas to draw a picture in html5. Friends who need it can refer to it.<canvas id=canvas width=600 height=500 style=background-color: yellow;></canvas> complex

2025-08-18
JavaScript writes a semi-transparent mask layer effect example to view the page where you click to view the large image

This effect is used very frequently, and people often ask me this question, so I have to write it into an article. Next time someone asks, just throw out the URL of this article. This effect is very simple, so I won't explain it too much. If you look

2025-08-18
Using HTML to implement cheating solutions for voting websites that restrict IP

Many voting websites cannot vote repeatedly, mainly restricting IP. One ip can only vote once. Let’s take a look at the cheating plan for voting websites that use HTML to implement ip restriction IP. Friends who need it can refer to the cheating plan for

2025-08-18
Share JS code to implement the input box and image to change the style at the same time

I won’t say much nonsense, I will just post the key code to you. The specific code is as follows:

2025-08-18
Methods and examples for implementing file copying in Node.js

Node.js itself does not provide an API for directly copying files. If you want to copy files or directories with Node.js, you need to use other APIs to implement it. You can use readFile and writeFile directly to copy a single file, which is easier. If yo

2025-08-18
js implements text beyond the limit and uses ellipses instead of instance code

Without further ado, let's just look at the code

2025-08-18
AngularJs Forms detailed explanation and simple examples

Controls (input, select, textarea) are a way for users to enter data. Form is a collection of these controls, with the purpose of grouping related controls. Forms and controls provide verification services, so users can receive prompts for invalid input.

2025-08-18
HTML page, simple example of testing JS calling C functions

Note it here, you can check it when you need it in the future!<HTML><HEAD><META NAME="GENERATOR" Content="Microsoft Visual Studio">

2025-08-18
js enter key to fire event instance code

如下所示：document.onkeydown = function (e) { if (!e) e = window.event; if ((e.keyCode || e.which) == 13) {

2025-08-18
An example of the difference between using prototype and not using js class to define functions

I have been using js to write self-righteous object-oriented methods. I encountered a problem, which is to define a method, as follows: Copy the code as follows: function ListCommon2(first, second, third) { this.First=function () { a

2025-08-18
A brief discussion on Functions and Arguments in JavaScript

Function properties of javascript: 1. Arguments object 2. Caller's reference to the function of the function before calling the single function. If it is a top-level code call, it returns null (firefox returns undefined). Note: It only makes sense whe

2025-08-18
Some suggestions for writing high-performance HTML applications

This article mainly introduces some suggestions for writing high-performance HTML applications, including related CSS and JavaScript programming methods. Friends who need it can refer to how you can improve web performance? Most developers will optimize t

2025-08-18

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