RN cross level parameter transfer (global parameter context)

We know that props can pass parameters, but it needs to pass them one level at a time (a - > b - > C...), which is very troublesome. Here we provide a method to realize cross level parameter passing with context; Use steps of Context property [preparation stage] 1. In the top-level component of the generated parameter ...

Posted on Sat, 14 Dec 2019 12:08:46 -0800 by samsbox

React manuscript - Component state

Component state Example: import React, { PureComponent } from 'react'; export default class extends PureComponent { constructor(props) { super(props); this.state = { time: '' }; } componentDidMount() { setInterval(() => { const now = new Date(); let { time } = this.state; const year = now.getFullYear(); ...

Posted on Mon, 09 Dec 2019 06:45:51 -0800 by gnawz

Create react app elegant customization Guide

Create react app is a widely used scaffold. By default, it can only use the eject command to expose the webback configuration. In fact, it is not elegant to use it. Modifying the content file is not conducive to maintenance. React app rewired is a tool to officially solve this problem. Today we will learn its usage. 1. Install react app rewire ...

Posted on Mon, 09 Dec 2019 01:46:05 -0800 by cheald

How to make a react Redux demo

Create a project with create react app Execute NPM I create react app - G Execute create react app Redux example Execute CD Redux example Execute npm start The following interface appears in the browser, indicating that the project has been created and successfully run Create related components Create the routes folder ...

Posted on Sun, 08 Dec 2019 18:54:12 -0800 by grazzman

#02-HK rental from 0 to 1

02-HK rental from 0 to 1 This article is hkzf The series of mobile tutorials aims to help beginners quickly master the project development based on React technology stack through a series of articles. Routing configuration Basic knowledge points Example import React from "react"; import { BrowserRouter as Router, Switch, Route, Link } ...

Posted on Sun, 08 Dec 2019 04:32:45 -0800 by t_machine

React saga of react manuscript

Redux-Saga Redux saga is a javascript library used to manage application side effects (such as asynchronously obtaining data, accessing browser cache, etc.), its goal is to make side effect management easier, execution more efficient, testing more simple, and fault handling easier. Redux saga is equivalent to a gasket placed in action and reduc ...

Posted on Sat, 07 Dec 2019 23:42:30 -0800 by jl5501

The development of a cnode website by dva

Complete detail page rendering, and use react markdown to renderFirst look at the effect: 1. Create Detail.js under components import React , { Component }from 'react'; import { Card, Avatar, Spin, Icon,Comment, Tooltip, List} from 'antd'; import PropTypes from 'prop-types'; import { connect } from 'dva'; import ReactMarkdown from 'react-mar ...

Posted on Sat, 07 Dec 2019 12:33:07 -0800 by yakabod

Get started with React 0x015: Portal - if you prefer to call it "container"`

0x001 Portal Put on the chestnuts before you speak: class PortalComp extends React.Component { render() { return ( <div> {this.props.children} </div> ); } } class App extends React.Component { render() { return <PortalComp> hehe & ...

Posted on Fri, 06 Dec 2019 20:41:00 -0800 by Johan Beijar

react+taro multi terminal dialog box | wechat / taro UI pop-up effect

taroPop custom bullet layer component, Modal box, dialog box, wechat / ios/android dialog box It realizes the customization of multiple pop-up types (msg/toast/ios/android) / pop-up styles, supports multiple button event / button styles, auto close, mask layer, pop-up location and custom slot template As shown in the figure below: H5 + applet ...

Posted on Fri, 06 Dec 2019 07:59:56 -0800 by smokenwhispers

React entry series - 4. Recognize stateless components

4.1 what is stateless component When developing React components, you may encounter that the component I use is purely for rendering, and there is no state, method, life cycle and other operations. It's a waste of machine performance to create a complete instance of this component. So let's see how to create an easy react component. Create a ne ...

Posted on Thu, 05 Dec 2019 14:23:53 -0800 by bigdaddysheikh