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Web design tutorial

Websocket in HTML5 implements live broadcast function

For video live streaming, I studied many solutions in the early stage, including websocket. Due to various reasons, I did not adopt this solution in the end, but I still want to record my learning experience. WebSocket is a protocol for full-duplex commun

2025-02-03
WeChat browser back button interception function in the upper left corner

In the development of WeChat public accounts, sometimes it is necessary to intercept and process the page logic related to the return button in the upper left corner of the browser, instead of letting the page directly return to the previous page. This de

2025-02-03
Analysis of the difference between naming when a variable is declared and naming when the variable is used as an object attribute

This title is really a mouthful. The rules followed by Javascript naming variables are 1. The first character must be a letter, Chinese character, underscore (_) or dollar sign ($) 2. The remaining characters can be underscore, Chinese character, dollar s

2025-02-03
Turn off the browser window invalid solution to close the browser window under Firefox and Chrome

First of all, IE can close the browser window through Window.Close (), but it is invalid under Firefox and Chrome. The reason is that the default settings under Firefox cannot be closed by the browser window through the script to prevent malicious script

2025-02-03
[HTML5] 3D model-Erhang code implementation rotation stereo cube instance

Recently, the gameplay of Rubik's cube suddenly wanted to write a Miku's model with HMTL5. Since the Rubik's Cube is a 3D cube, this time I tried to write a simple 3D model with HTML5. The following is a preview screen. First of all, you need

2025-02-03
The use of local hiddenfield in Form in Extjs4

Copy the code as follows: Ext.onReady(function(){ Ext.QuickTips.init(); Ext.create("Ext.form.Panel",{ title:'Local hiddenfield instance', renderTo:

2025-02-03
How to use Gaussian blur on svg page in html5

First put this code in any area of the page. stdDeviation sets the blur amount, the minimum is 0<svg style=display:none><filter id=blur-effect-1>

2025-02-03
Detailed explanation of html meta

Introduction Meta tag is an auxiliary label in the HTML language Head area. Meta is often used to define the instructions, keywords, and finally modify the date, and other metadata. These metadata will serve the browser (how to layout or re -load page), s

2025-02-03
Eight-point summary of Javascript scope chains

1. The scope chain of a JavaScript function is divided into a definition-time scope chain and a run-time scope chain; 2. When a function is defined, it has an attribute [[scope]] to indicate its definition scope chain, which works when it is defined. The

2025-02-03
HTML formatting JSON's instance code

I do n’t say much nonsense, I will post code directly. The specific code is shown below:<!DOCTYPE html><html><head><meta charset=utf-8><title> Js bin</title>

2025-02-03
Prompt onbeforeunload event when closing the browser

The onbeforeunload event is used like this: Copy the code. The code is as follows:<script language="javascript"> g_blnCheckUnload = true; function RunOnBeforeUnload() {

2025-02-03
How to use JSuggest to automatically match the drop-down box (sample code)

1. Download jquery-latest.js, JSuggest.js and JSuggest.cssJSuggest.js source code is as follows. Copy the code as follows:/*** * Description: JSuggest drop-down prompt box*/function JSug

2025-02-03
Introduction to HTML DOM_ Power Node Java College

What is DOM? With JavaScript, you can reconstruct the entire HTML document. You can add, remove, change, or re -arrange items on the page. To change something on the page, JavaScript needs to access the entrance to all elements in the HTML document. This

2025-02-02
How to implement JS filtering special characters in url parameters

There are some special characters in the URL transmission parameters, and these symbols cannot be passed directly in the URL. If you want to pass these special symbols in the URL, then their encoding must be used. The following table lists some URL specia

2025-02-02
Solution of floating -point operation bug in JS

I have used the project before, and I found this code online, but under certain conditions, the division and addition operations will still appear. Personally, Personal will be optimized for this to optimize the code. // Description: The results of JavaSc

2025-02-02

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