React组件

发布时间：2020-12-15 20:25:42 所属栏目：百科来源：网络整理

导读：!DOCTYPE htmlhtml lang="en"head meta charset="UTF-8" meta name="viewport" content="width=device-width,initial-scale=1.0" meta http-equiv="X-UA-Compatible" content="ie=edge" titleDocument/title script src="../node_modules/react/umd/react.de

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="../node_modules/react/umd/react.development.js"></script>
    <script src="../node_modules/react-dom/umd/react-dom.development.js"></script>
    <script src="../node_modules/babel-standalone/babel.js"></script>
</head>
<body>
    <div id="app">

    </div>
    <script type="text/babel">
        let arr = [
        {
            id:1,name:‘xiaobai‘,age:19
        },{
            id:2,name:‘xiaoxiaobai‘,age:11
        },{
            id:3,name:‘dabai‘,age:13
        }
    ]
    function List() {
        return (
            <ul>
               { arr.map((obj)=>{
                   return <li className=‘tit‘ key={obj.id} style={{color:obj.id===1?‘red‘:‘blue‘}} onClick={()=>{
                            alert(obj.age)
                        }}>
                            {obj.name}
                          </li>
               })}
            </ul>
        )
    }
    ReactDOM.render(
        <div><List />{List()}</div>,//如何传参 可以写成解析的模式或者写成标签jsx的形式
        document.getElementById(‘app‘)
      )
    </script>
</body>
</html>

（编辑：李大同）

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