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HTML tutorial

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
html5 canvas draws radioactive gradient color effect

There are still some pitfalls in canvas. For example, fillRect is a method, not an attribute. If you write fillRect=, it will have no effect, and it will not report an error.... The createRadialGradient API is used here. This API receives 6 parameters, an

2025-01-27
HTML5 achieves perfect writing method for mobile terminal adaptation

On the PC version web page (http://pc_url), add:<link rel=alternate media=only screen and(max-width: 640px) href=http://pc_url > On the mobile version of the page (http:/

2025-01-26
Canvas text collision detection and thinning method

Requirement background Text thinning is generally used when making map-related requirements. I only implemented this method when implementing a function for the company's map engine. I have simplified it here and performed it on an ordinary Canvas. Th

2025-01-26
A detailed explanation of the pitfalls of HTML5 recording

A project I worked on some time ago was to develop an audio courseware. Basically, after importing documents, pictures and other resources, the page becomes a PPT-like layout, and then you can select a picture to insert audio, and there are single-page ed

2025-01-26
Detailed explanation of shopping mall monitoring examples based on HTML5 Canvas

With the rapid development of the domestic economy, people have higher and higher requirements for safety. In order to prevent the following situations from happening, you need to consider installing a security system: Provide evidence and clues: In many

2025-01-26
Implementation of fixed html Table header

This article introduces the implementation of html Table header fixation and shares it with everyone. The details are as follows:<div class=wrapbox><div class=table-head><table><thead>

2025-01-26
Use canvas to implement image download function to solve browser compatibility issues

Preface: The image download function needs to be implemented in the project. The first thing that comes to mind is to use the download attribute of the a tag to achieve it. However, when testing under different browsers, it will be found that some browser

2025-01-26
Html5 original Tetris (based on canvas)

The first time I wrote Tetris was more than a year ago, and I had just learned js not long ago. In order to strengthen my understanding of JS and add my love for games, I wrote Tetris based on canvas using the most basic JS code without referring to other

2025-01-26
Sample code for implementing 360-degree panorama using HTML5 Canvas

Many shopping websites now support 360 panoramic images of real objects, and you can choose to view samples at any 360 degrees. This is a good consumption experience for buyers. There are many such plug-ins on the Internet based on jQuery, some are paid o

2025-01-26
HTML5 imitation WeChat chat interface and WeChat Moments example code

In the past few days, I have used H5 to develop a WeChat-like chat front-end interface. Especially the bottom editor of WeChat is handled very well. It is developed using HTML5. Although the functions and effects are not as comprehensive as WeChat, it is

2025-01-26
Based on Html5 canvas, the functions of cropping pictures and mosaics and uploading pictures to the cloud are realized.

1. Core functions The functions of this component include: Image cropping (drag the cropping box, and the cropping box changes size); Image mosaic (draw mosaic, clear mosaic); Image preview, image restoration (return to original image, return to processed

2025-01-26
Example of how to add events to Canvas

As a front-end, adding events to elements is a common thing. But in Canvas, anything drawn on it is unobtainable, let alone adding events, so are we helpless about it? Of course not! We must have used many Canvas frameworks in our daily projects, and we f

2025-01-26
How to make HTML elements such as pre and textarea remove the scroll bar, wrap automatically, and adapt the height of the text content

Pre and textarea in HTML can display preformatted text. i.e. preserve spaces and newlines. Instead of having to add and etc. HTML elements to add line breaks and print spaces. When pre removes the scroll bar, pre displays text content and it will not auto

2025-01-25
Return implementation method in Html5 page

When you see this title, you may think what the hell is this? In fact, what I want to say is this, look at the recording below: This kind of interaction is everywhere in H5 pages. Click on the city -> pop up the city selection floating layer -> pres

2025-01-25

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