02 创建虚拟DOM的两种方式

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6     <title>Document</title>
 7     <script src="../js/react.development.js"></script>
 8     <script src="../js/react-dom.development.js"></script>
 9     <script src="../js/babel.min.js"></script>
10 </head>
11 <body>
12     <div id="test1"></div>
13     <div id="test2"></div>
14 </body>
15 </html>
16 <!-- 方式一:纯JS创建虚拟DOM元素对象 -->
17 <script>
18     const msg="I like you.";
19     const myid="box1";
20     var vh3=React.createElement('h3',{id:'myid'},msg);//创建虚拟DOM
21     ReactDOM.render(vh3,document.getElementById('test1'));//渲染到真实页面
22 </script>
23 
24 <!-- 方式二:JSX创建虚拟DOM元素对象 -->
25 <script type="text/babel">
26     var vDom=<h1 id={myid}>{msg.toUpperCase()}</h1> //创建虚拟DOM
27     ReactDOM.render(vDom,document.getElementById("test2"));//渲染到真实页面
28 </script>

 

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转载自www.cnblogs.com/shanlu0000/p/12483970.html