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HTML tutorial

Detailed explanation of the implementation ideas of WeChat mini program "Santa Hat"

In the past two days, the circle of friends has been flooded with Santa hats. Even WeChat officials came out to refute the rumors about this small program. It is another phenomenon-level thing. From a product perspective, it is undoubtedly very successful

2025-01-27
Example of quickly implementing a simple canvas maze game

Preface (Recently, I’ve been a bit obsessed with design patterns, and it’s a bit boring to face pure JS all the time -_-. So I wrote something interesting to spice it up) Now canvas is not new, but because it is not commonly used in daily business, So the

2025-01-27
Sample code for automatically wrapping text in HTML5 canvas

This article introduces how to solve the line wrapping problem of drawText during the canvas drawing process. Let’s first look at a problem that everyone usually encounters when drawing text on canvas: a 150*100 canvas, add a border to make the border cle

2025-01-27
A brief discussion on the summary of problems encountered in the mixed development of html5 and APP

Background: I participated in a mixed development project of native APP and h5 in the company. I was responsible for the h5 part of the project. Now I will summarize the problems encountered in the project as follows: Specific problems Problem 1: Page scr

2025-01-27
Canvas implements high-order Bezier curve (N-order Bezier curve generator)

Written first Since the native Canvas only supports up to third-order Bezier curves, what should I do if I want to add multiple control points? (Even most complex curves can be simulated with third-order Bezier.) At the same time, it is difficult for us t

2025-01-27
Detailed introduction to html5.2 dialog

On December 24, 2017, the HTML5.2 standard was solidified, which also meant that the mobile terminal entered the HTML5.3 planning stage. Although HTML5.2 was solidified, some new internal specifications have yet to be supported by mobile browsers. To impr

2025-01-27
Implementation method of using canvas handwritten signature and saving in html5

Recently, the company is working on a signature function, which mainly uses the canvas line drawing function combined with the mobile touch event js part like this: window.onload = function() { new lineCanvas({ el: document.

2025-01-27
An in-depth analysis of the difference between article and section in HTML5

Content blocks refer to units that logically divide HTML pages. For page websites, each part such as the navigation menu, article text, and article comments can be called a content block. article element The article element represents independent, complet

2025-01-27
HTML5 opens the mobile phone code scanning function and its advantages and disadvantages

1. Problems solved: 1. Can call up the camera to scan the QR code and parse it in the Weibo client; 2. Can scan the QR code and parse it in the native browser and WeChat client; 2. Advantages: web client or The h5 end can directly complete the work of sca

2025-01-27
A brief analysis of the impact of the html size and css size of the canvas element on the visual appearance of the element

Problems encountered: html/11467.html">The reason why the canvas element is deformed and distorted. A DOM element has three sizes: style size, html size, and css size. When using the canvas element, the default width and height of the canvas eleme

2025-01-27
Two ways to implement click-to-download files on HTML pages

1. Use <a>tags to complete</a> <a href=/user/test/xxxx.txt download=文件名.txt>click-to-download</a> so that when the user opens the browser and clicks on the link, the file will be downloaded directly. But there is a situation, such as txt, png, jpg and oth

2025-01-27
Implementation method of DIV losing focus (blur)

Use anti-shake to make DIV disappear when the mouse is moved out. Since the div tag itself does not support the onblur event, so for a div that pops up when a button is clicked, we want to make it disappear when the div loses focus, which cannot be achiev

2025-01-27
How to force vertical screen on mobile page

Recently, I wrote a mobile page at work. It was nothing at first, but there was a requirement that seemed very strange. I had never encountered it before. The page I wrote needed to be placed in an APP, but the APP was in landscape orientation. , the webv

2025-01-27
Web page screen recording implementation

After reading the previous comments, I suddenly realized that I did not explain it in advance. This article can be said to be a research and learning article. It is a set of solutions that I feel is feasible. I will read some similar code libraries that h

2025-01-27
Implementation example of waking up Baidu and Amap APP in Html5

A few days ago, United Black Card reported a need to open Baidu APP or Amap APP in H5, so I checked the relevant documents online and put the links below: 1. Amap 2. Baidu Map specific ideas When you click to select a map, you first request the APP link.

2025-01-27

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