<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-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.min.js"></script>
</head>
<body>
<div id="demoReact">

</div>
<script type="text/babel">
    function MyCom(props){
        /*设置默认值*/
        return (
            <div>我是无状态组件----{props.text}</div>
        )
    }
    MyCom.defaultProps={
        text:"我是默认值"
    }
    let obj={
       // text:"我是歌谣",
        age:18
    }
    ReactDOM.render(<MyCom {...obj}/>,document.getElementById('demoReact'))
</script>
</body>
</html>

运行结果