41 lines
1.2 KiB
HTML
41 lines
1.2 KiB
HTML
<!--
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* @Author: chenxuan
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* @Date: 2022-01-15 19:51:19
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* @LastEditTime: 2022-01-15 19:56:39
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* @LastEditors: chenxuan
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-->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<div id="app"></div>
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<script src="../package/old/react.development.js"></script>
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<script src="../package/old/react-dom.development.js"></script>
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<script src="../package/old/babel.min.js"></script>
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<script type="text/babel">
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class Time extends React.Component{
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state={date:new Date()}
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render(){
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return (
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<div>
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<h1>hello!</h1>
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<input type="text"/>
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<span>现在是：{this.state.date.toTimeString()}</span>
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</div>
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)
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}
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componentDidMount(){
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setInterval(()=>{
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this.setState({date:new Date()})
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},1000)
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}
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}
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ReactDOM.render(<Time/>,document.getElementById('app'))
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</script>
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</body>
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</html> |