<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>helloReact</title>
<script src="https://unpkg.com/react@18/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"></script>
<!-- Don't use this in production: -->
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
</head>
<body>
<!-- 准备一个容器 -->
<div id="test"></div>
</body>
<!-- 这里一定要用babel，因为写的时jsx -->
<script type="text/babel">
// 创建虚拟DOM
const vDom = <div>Hello,React</div>
//react渲染
ReactDOM.render(vDom, document.getElementById("test"))
</script>
</html>
