JavaScript. async-await (excerpt)

Written in front The content and code of this article are extracted from 1. Relevant tutorials.This article is only used as personal note-taking exercise code (all code needs to be tapped several times manually), and the content is much simpler.For more information, please read the original text: async-await async-await async-await is the gram ...

Posted on Fri, 04 Oct 2019 01:56:21 -0400 by nova912

Realistic HTML5 3D Water Wave Painting with Multi-view View

This is a 3D water wave painting special effect based on HTML5. Its effect is very realistic. Stones in the pool float and sink in the water, creating layers of water waves. At the same time, we can drag the mouse to browse the pool from different perspectives. The 3D effect is very good. In addition, w ...

Posted on Thu, 03 Oct 2019 22:45:41 -0400 by james_creasy

Vue.js custom instruction usage scenarios and cases

1. Use scenarios The main form of code reuse and abstraction is components Custom instructions are used when the underlying operations on common DOM elements are required However, components should be used for large DOM changes 2. Hook function Refer to Documents for Details https://cn.vuejs.org/v2/guide/custom-directive.html#%E9%92%A9%E5% ...

Posted on Thu, 03 Oct 2019 17:34:42 -0400 by itreP

java uses htmlunit tools to grab data loaded in js

Htmlunit is an open source java page analysis tool, after reading the page, it can effectively use htmlunit to analyze the content on the page. The project can simulate the operation of browser, known as the open source implementation of java browser. This browser without interface runs very fast. The Rhinojs engine is used. Simulate js running ...

Posted on Thu, 03 Oct 2019 17:00:07 -0400 by prashanth0626

Special effect of js magnifier

When shopping in the online shopping mall in peacetime, we can use magnifying glass effect to make our pictures more clear. Today I will share with you the magnifying glass effect I learned. The following picture is the original image... The following picture is the effect of the mouse on it.                        Next, let's see how th ...

Posted on Thu, 03 Oct 2019 16:51:51 -0400 by brain

vue-video-player notes (compatible with m3u8)

Download vue-video-player npm install vue-video-player --save Introduce in main.js file import VideoPlayer from 'vue-video-player' require('video.js/dist/video-js.css') require('vue-video-player/src/custom-theme.css') Vue.use(VideoPlayer) Introduce in the page <video-player ref="videoPlayer" class="video-player vjs-cust ...

Posted on Thu, 03 Oct 2019 16:09:17 -0400 by renaker

JS Inheritance-Prototype Chain

Many OO languages support two kinds of inheritance: interface inheritance and implementation inheritance. ECMAScript only supports the implementation of inheritance, and the implementation of inheritance mainly depends on prototype chain implementation. Prototype chain Fundamental idea: Use prototypes to let one reference type inherit the att ...

Posted on Thu, 03 Oct 2019 08:33:31 -0400 by Alex007152

The Enjoyment Mode of javascript

Enjoy yuan mode The hedonic pattern is a pattern for optimizing program performance, essentially to reduce the number of objects created. The following can be used:There are a lot of similar objects, which occupy a lot of memory.Most of the states in an object can be extracted as external states demoA merchant has 50 kinds of men's underwear an ...

Posted on Thu, 03 Oct 2019 07:46:31 -0400 by eagle1771

JavaScript. Promise of Asynchronism (excerpt)

Written in front The content and code of this article are extracted from Mr. Liao Xuefeng's JavaScript tutorial.This article is just a personal note, practice code use (all the code needs to be tapped several times manually), the content is also much simplified.For more information, please read the original text: Promise - JavaScript tutorial P ...

Posted on Thu, 03 Oct 2019 06:55:32 -0400 by jess3333

30 Django Advanced-Rich Text Editor

With the help of rich text editor, administrators can edit a page containing html, so that the display effect of the page can be defined by administrators, rather than relying entirely on pre-developers. Take tinymce for example. Other rich text editors can learn by themselves. The display effect usin ...

Posted on Thu, 03 Oct 2019 06:23:46 -0400 by peaforabrain