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Example of html5 calling app sharing function (WebViewJavascriptBridge)

The editor received a leadership task to write an h5 mobile activity page, click on the page content to retrieve ios and Android and develop the sharing function (including WeChat, WeChat Moments, QQ, QQ Space, etc.) that the user has not logged in. You c

2025-01-27
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
Introduction to assignment of JS arrays

Copy the code as follows: var test=[1,2,3,4,5,6,7];var arr=test;arr.splice(2,1);alert(test);//1,2,4 ,5,6,7JS arrays are essentially objects. Therefore, the above source code finally prints 1,2,3

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
Solve the problem of being unable to enter the success function after submitting the form in Extjs4

1. First, make sure that the json format is OK. 2. In the returned json, success must be true, because only if it is true, the success function will be entered. Because I just finished Extjs4, I debugged this error for a long time.

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
Parsing invisible data types in JavaScript

JS provides some built-in objects, functions and constructors for us to program, such as Math, parseInt, Object, Array, etc. These are all visible and can be used during programming. For example, I can use new Object or new Array. Some are invisible and c

2025-01-27
Summary of methods and differences between synchronous and asynchronous processing in js

When using asynchronous requests, sometimes it is necessary to return the result of the asynchronous request to another js function. In this case, the request result will not be returned until the asynchronous request is returned. The js function where th

2025-01-27
Example of how to use an associative array to create an array using javascript

Copy the code. The code is as follows: //Arrays in js can exist in the form of key-value pairs var arr = new Array();arr["A"] = "boss";arr["B"] = "Emp";for (var m in arr) {document.write(

2025-01-27
How to disable JavaScript console debugging

Several giant companies, namely Facebook and Netflix, have decided to prohibit users from executing JavaScript commands in the console. This was originally started by Facebook to prevent malicious users from spreading messages (sent to all

2025-01-27

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