环境搭建nodejs
npm init
npm i react react-dom babel-standalone -S
html示例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<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="test">
</div>
<script type="text/babel">
let hello = <h1>Hello World</h1>
ReactDOM.render(hello,document.getElementById("test"))
</script>
</body>
</html>
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