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HTML tutorial

HTML page jump and parameter passing issues

HTML page jump: window.open(url, , width=600,height=400); Second parameter: _self, open the window in the current window; _blank (default value), open a new window in another new window; window .location.href=h

2025-02-05
Adobe Html5 Extension development first experience graphic tutorial

1. Background introduction Adobe produces a wide range of multimedia processing software product lines, covering audio and video editing, image processing, graphic design, film and television post-production and other fields. In order to extend the functi

2025-02-05
Summary of methods for implementing barrage effects on the front end (including implementation methods of css3 and canvas)

In the past, on a mobile lottery page, the display window of the lottery results needed to display a barrage carousel. I have gone through some pitfalls before. Now I will summarize how to achieve the front-end barrage effect. css3 implements the beggar’s

2025-02-05
Html sample code to read images in local folder and display them

One purpose is to select a local folder on Html, automatically read all the pictures in the folder and subfolders and display them on the page. Technical analysis: There is a problem. The path obtained by the file tag in Html is relative. When specifying

2025-02-05
Sample code for HTML5 canvas waterfall text effect

Today, the editor will share with you the thirteenth issue of the web front-end special effects collection series. Friends who like to play with cool effects, please take a look ^_^. I hope you like it ~ I will share with you a waterfall formed using HTML

2025-02-05
Example of how to use canvas to complete the functions of linear gradient and radial gradient

The second use case of fillStyle is gradient filling. Gradient colors are divided into linear gradient colors and radial gradient colors. Linear gradient: roughly divided into two steps. Two new functions of canvas will be used here. Step 1: Use a new fun

2025-02-05
How to solve the problem of toDataURL() error when introducing cross-domain images in Canvas

This article introduces the solution to the problem of toDataURL() error caused by the introduction of cross-domain images in Canvas. I would like to share it with you. The details are as follows: [Scenario] The user opens a web page and requests images o

2025-02-05
How to remove the default style of input type date in html5

How to remove the default style of input type date in html5. Here is a detailed introduction through this article. The specific introduction is as follows: 2. Modify the style of the date and time control. Currently, there are the following 9 pseudo-eleme

2025-02-05
How to use canvas to merge multiple pictures and export them

Let’s first talk about the basic methods of canvas drawing, as follows: const myCanvas = document.createElement(canvas); myCanvas.width = 400; myCanvas.height = 400;c

2025-02-05
The application of HTML5 geographical positioning and third -party tool Baidu map

Foreword: I saw a lot of technical Daniel and related blogs, and rarely described the geographical positioning of HTML5. I do n’t know if they are unwilling to mention or use less. I personally summarize two reasons according to a little experience: No. 1

2025-02-05
HTML5 implements check-in function

Introduce (introduction) H5 example of user sign-in (css+jquery, no picture), because the user sign-in examples found on the Internet are not good, either composed of many pictures, or a lot of redundant code, so I made it specially A sign-in interface (m

2025-02-04
Use JavaScript instance code in HTML

<script>标签在HTML5中script主要有以下几个属性：async，defer，charset，src，type，async（可选）：　　关键词：异步脚本，外部文件，立即下载；　　当标签中包含这个属性时会立即下载脚本（外部文件），

2025-02-04
HTML5 WebSocket implementation of peer-to-peer chat sample code

Yesterday, I used HTML5 websocket and Tomcat to implement multi-person chat. It is the simplest and most basic. The most important thing to pay attention to is the development environment, which must meet jdk1.7 and tomcat8. Of course, tom7 7.063 will als

2025-02-04
Detailed explanation of cross-domain problems encountered when drawing on canvas

When drawing an external link image in canvas, we will encounter a cross-domain problem. Examples are as follows:<!DOCTYPE html><html lang=en><head><meta charset=UTF-8><title> crossorigin

2025-02-04
How to avoid 6 common HTML5 mistakes

1. Don’t use section as a substitute for div. One of the most common mistakes people make when using tags is to randomly replace HTML5’s<section> Equivalent to<div> - Specifically, used directly as a replacement (for styling). In XHTML or HTML4, we often

2025-02-04

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