react source code analysis 12 Status update process

react source code analysis 12 Status update process Video course (efficient learning): Enter the course Course catalogue: 1. Introduction and interview questions 2. Design concept of react 3.react source code architecture 4. Source directory structure and debugging 5. JSX & Core api 6.legacy and concurrent mode entry functions 7.Fi ...

Posted by LeslieHart on Sun, 30 Jan 2022 05:52:16 +0100

boardgame.io Gobang: AI transformation

Too long to see: Click here View the complete code. Last We use boardgame io + wgo. JS + react made a simple Gobang game and used the engine to match our AI. However, AI is very weak. Let's try to transform it in the direction of AlphaGo and create our own AI. Monte Carlo We know that AlphaGo uses Monte Carlo search and neural network. Thro ...

Posted by karapantass on Fri, 28 Jan 2022 04:29:02 +0100

React router ----------- use of react router DOM V6 new features

1. Installation dependency npm i react-router-dom 2. Introduce the components required for routing and page components import { BrowserRouter, Routes, Route } from 'react-router-dom'; import Foo from './Foo'; import Bar from './Bar'; ​ function App(){ return ( <BrowserRouter> <Routes> < ...

Posted by Lambneck on Wed, 26 Jan 2022 19:10:34 +0100

react - Performance Optimization

setState Update data setState() is a way to update data asynchronouslyNote: when using this syntax, the following setState() does not depend on the previous setState() 1. When you call setState When I was young, React.js It will not be modified immediately state ((why) 2. Instead, the object is placed in an update queue 3. The new state will ...

Posted by Volte6 on Wed, 26 Jan 2022 14:02:01 +0100

Detailed explanation of the use of Redux + React Redux + Redux thunk in the actual project development of React

React is our view framework, but it is difficult to manage the data state that needs to be shared during large-scale project development. Components with obvious parent-child relationship are also more convenient to transfer values, but it is very troublesome for unrelated components to transfer values. At this time, we need to use our state ma ...

Posted by mamuni on Tue, 25 Jan 2022 14:59:43 +0100

shouldComponentUpdate, PureComponent and React memo

shouldComponentUpdate, PureComponent and React memo preface Recently, I have been learning about React and was lucky to get an opportunity to use it in practical projects. So I intend to record the problems I encounter in the process of learning and development (React) in the form of blog. In the past two days, I have encountered the problem ...

Posted by murtuza.hasan.13 on Tue, 25 Jan 2022 03:06:08 +0100

Mock is both a shield and a weapon

Front end mock Now the development modes are generally front-end and back-end separated, so it is necessary to "accommodate" each other. For example, the background only defines the interface document in general, the interface has not yet come out, the front-end can not wait foolishly, but there is no coordination to develop, many de ...

Posted by MisterWebz on Mon, 24 Jan 2022 14:56:48 +0100

"This is a page bookmark. When I come back, I remember to roll back to the original."

Page Bookmarks Simply put, you scroll through the current page, and when you come back from a trip out, you restore the scrolling position, just like a bookmark in a book. Then describe your expectations for page bookmarks When I jump to another page, I come back to recover.Recovery cannot be positioned too obtrusively directly. It should be ...

Posted by warren on Mon, 24 Jan 2022 08:47:58 +0100

Touch your hand and write a calendar with React (with online demonstration and source code)

Design and implement a simple version of the calendar. It supports defining the discharge order of the calendar, starting with the day of the week. As shown below: First look at the effect: https://rodchen-king.github.io/react-calendar/components/calendar Source code: https://github.com/rodchen-king/react-calendar Design (with the most c ...

Posted by itpvision on Mon, 24 Jan 2022 08:42:58 +0100

react + taro + dva to realize pull-up loading

The final code is at the end Basic structure The main body adopts the scrollView component of taro and sets a fixed height for it to make its sliding effective. An onScrollToLower event is configured to trigger the bottom event. Drop down scroll component import React from "react"; import { ScrollView } from "@tarojs/components"; import { ...

Posted by Jalz on Sun, 23 Jan 2022 22:16:12 +0100