1.最基础的语法
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/babel-standalone@6.15.0/babel.min.js"></script>
<body> <div id="root"></div> </body>
<script type="text/babel">
...
ReactDOM.render(
"asd",document.getElementById(‘root‘)
);
React基础
原文：https://www.cnblogs.com/eret9616/p/8886110.html
