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npm start 正确后 打开 http://localhost:8080/webpack-dev-server/ 显示APP ready 并不是我要的hello world #8

@adu8419

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@adu8419

我的 js 文件夹 就 只有 hello.js (导出一个Hello 组件) ;app.js 就是render这个Hello组件

//hello.js

import React from 'react';

class Hello extends React.Component {
render() {
return div开始标签 Hello, {this.props.message}! div结束结束标签;
}
}

export default Hello;

//app.js
import ReactDOM from 'react-dom';

import { Hello } from './hello.js';

ReactDOM.render( , document.getElementById('example') );

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