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Embedded in the react page is the "two-dimensional code of micro-message", which enables PC to log in through micro-message scanning code. First go Wechat Open Platform Register an account, create a website application, submit a website for review, get appid and appsecret; other development processes are based on Wechat Document Do th ...

What is a particle system? What is a particle system? Particle system is a graphical technology that can simulate complex physical effects. Particle systems are a collection of small images that, when viewed together, form a more complex "blurred" object, such as fire, smoke, weather or fireworks. fireworkds . These complex effects ...

hello! hello, everyone, I am a front-end development, committed to sharing technology with you in the simplest and straightforward way of introduction, looking forward to common progress of good young people, ha ha ha In this article, I will elaborate the following points according to my own project experience: Why use lerna for project manag ...

Links to the original text: https://blog.csdn.net/qq_30101879/article/details/78448479 Reaction learning path, data transfer (props,context); Before we talk about the props sub-parent, we first learn about context, a very NB data receiv ...

React refs and pop-up windows import React, {Component} from 'react'; import ReactDOM from 'react-dom'; import './index.css'; import App from './App'; import * as serviceWorker from './serviceWorker'; class OuterClickExample extends React.Comp ...

Dear, Loved ~~Practice Speed Software Author: Call for fry Source: WeChat gzh: A small home with pain, itching and itching The CTF competition not only tests the professional background of the players, but also their reaction speed.* In o ...

 0. Typescript Typescript is becoming more and more important for the front end, and many projects in the front end are refactored with Typescript. This is mainly due to the better type support of Typescript, which can do some type inference well in the coding process (mainly because the editor will have code prompts, it is very comfortable) ...

Preface In front-end asynchronous requests, the traditional way to get data is to write ajax callbacks, but this wayThis is not conducive to the maintenance and readability of code, so the Generator and Proise solved this problem in the es6 era, and es7 made it more concise through async and await. Replace callback nesting with Generator Genera ...

I. Conditional Rendering 1. Conditional Rendering In React, we can encapsulate different behaviors by creating different components, and then render parts of the corresponding state according to the state of the application. // Define component encapsulation login behavior class SignIn extends React.Component { constructor(props) { ...

Before that, my main note was to explain the operation of webpack. Next, I will mainly record the optimization of webpack. noParse When we introduce a command such as JQimport jquery from jquery into index.js file to parse this sentence, we will enter the JQ file by default and continue parsing to see ...