vue2.0+SVG realizes the round progress bar component of music playing, and the real-time percentage is introduced to realize the circle progress animation effect

vue2.0+SVG realizes the round progress bar component of music playing, and the real-time percentage is introduced to realize the circle progress animation effect Demand analysis: Similar to the mini player control button in most music players, it displays the playing progress and updates the progress in real time. progress-circle.vue sourc ...

Posted by ethosadvisory on Tue, 05 May 2020 01:09:22 -0700

Overview of common new features for Typescript 3.8

Write on top 3.8 added several interesting features, optimized the module part of ECMAScript, #use of private fields instead of less stringent privates, and so on. 1. Import and export methods for type restrictions (Type-Only Imports and Export) TypeScript 3.8 adds a new syntax for type-only import and export. import type { SomeThing } f ...

Posted by fahad on Sun, 19 Apr 2020 03:13:25 -0700

Click the mouse to show love + socialist values + random color text + mouse cursor custom image

js animation - click to show love Just put the following JS code before < / body > <script type='text/javascript' src='//api.dujin.org/js/aixintexiao.js'></script> Full code: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, i ...

Posted by aconite on Sun, 12 Apr 2020 21:45:10 -0700

ESlint configuration description under Vue cli

1. Close eslint This is just the way to close the Vue cli scaffold. In fact, it is very simple to build/webpack.base.conf.js Just comment out the eslint rules in the configuration file. module: { rules: [ // { // test: /\.(js|vue)$/, // loader: 'eslint-loader', // enforce: 'pre', ...

Posted by mosherben on Tue, 31 Mar 2020 20:45:55 -0700

Function extension of ECMAScript6

Function extension of ECMAScript6 1. Default value of function parameter ES6 set the default value for function parameters before, which needs to be implemented with flexible methods. function add(x, y) { x = x || 1; y = y || 2; return x+y; } // Use parameter default value to participate in ope ...

Posted by ArneR on Thu, 27 Feb 2020 20:57:27 -0800

Inheritance of JavaScript constructors

Legend https://www.xs86.com In the previous article, we talked about JS objects, constructors, and prototype patterns. This article discusses the inheritance of JavaScript Inheritance is one of the most popular concepts in OO language. Many OO languages support two kinds of inheritance: interfa ...

Posted by Trenchant on Sat, 22 Feb 2020 23:37:18 -0800

C++ Regular Expression regex Initial Exploration and Stepping Points

Preface Previous developments required string matching filtering, which involved the function of regular expression.This article is a note taken by someone about the regex, a c++ regular expression library, and is welcome to correct any errors. Introduction to Regex Library Regex started with c++ 11. c++ regular expressions provide the foll ...

Posted by geo__ on Fri, 21 Feb 2020 08:14:26 -0800

java learning notes day17 advanced JavaScript

Today's content: 1. JavaScript: 1. ECMAScript: 2. BOM: 3. DOM: 1. Event DOM simple learning: to meet case requirements *Function: control the content of html document *Get page label (Element) object: element *document.getElementById("id value"): get the element object through ...

Posted by MishieMoo on Tue, 18 Feb 2020 04:54:06 -0800

Front end learning from entry to advanced record 23 (webapi)

Learning objectives Master the concept of API and Web API Master the common way of calling API provided by browser Can develop common page interaction functions through API Be able to use search engine to solve problems 1. Web API Introduction to Web API The concept of API API (Application Prog ...

Posted by lajocar on Tue, 11 Feb 2020 03:38:03 -0800

JAVAEE takes a closer look at JavaWeb 11 - JavaScript Advanced

Content: 1. JavaScript: 1. ECMAScript: 2. BOM: 3. DOM: 1. Event DOM Simple Learning: To meet case requirements *Function: Control the content of html documents *Get page label (element) object: Element * document.getElementById("id value"): Get the element object from the eleme ...

Posted by anybody99 on Mon, 10 Feb 2020 18:10:52 -0800