How to view react source code

How to view the react source code: 1. Enter the react official website; 2. Download the packages file locally; 3. Open the index.js file, which is the entry file of the react source code. We can also convert react source code through babel.

The operating environment of this tutorial: windows10 system, react16 version. This method is suitable for all brands of computers.

(Learning video sharing: react video tutorial)

The specific method is as follows:

1. Enter the official website

https://github.com/facebook/react

2. The source codes are all in the packages file

https://github.com/facebook/react/tree/master/packages

3. You can download the file locally, which will look more convenient

4. Then enter the pageages/react/index.js file, this file It is the entrance to the react source code

5. This URL can display the react code as the code converted by babel

https://react.docschina.org/

Example:

import React, { Component } from "react";
import ReactDOM from "react-dom";
import "./index.css";
 
function FuncCmp(props) {
 return <div>name: {props.name}</div>;
}
 
class ClassCmp extends Component {
 render() {
     return <div>name: {this.props.name}</div>;
 }
}
 
const jsx = (
 <div>
     <p>我是内容</p>
     <FuncCmp name="我是function组件" />
     <ClassCmp name="我是class组件" />
 </div>
);
 
ReactDOM.render(jsx, document.getElementById("root"));

After compiled by babel:

function FuncCmp(props) {
 return React.createElement(
     "div",
     null,
     "name: ",
     props.name
 );
}
 
class ClassCmp extends React.Component {
 render() {
    return React.createElement(
         "div",
         null,
         "name: ",
         this.props.name
     );
 }
}
 
let jsx = React.createElement(
 "div",
 null,
 " ",
 React.createElement(
 "div",
 { className: "border" },
 "我是内容"
 ),
 " ",
 React.createElement(FuncCmp, { name: "我是function组件"
 }),
 " ",
 React.createElement(ClassCmp, { name: "我是class组件" }),
 " "
);
 
ReactDOM.render(jsx, document.getElementById('root'));

Related recommendations: js tutorial

The above is the detailed content of How to view react source code. For more information, please follow other related articles on the PHP Chinese website!