<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Hello World</title>
<script src="https://unpkg.com/react@17/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@17/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>
<div id="root"></div>
<script type="text/babel">
ReactDOM.render(
<h1>Hello, world!</h1>,
document.getElementById('root')
);
</script>
<!--
Note: this page is a great way to try React but it's not suitable for production.
It slowly compiles JSX with Babel in the browser and uses a large development build of React.
Read this section for a production-ready setup with JSX:
https://reactjs.org/docs/add-react-to-a-website.html#add-jsx-to-a-project
In a larger project, you can use an integrated toolchain that includes JSX instead:
https://reactjs.org/docs/create-a-new-react-app.html
You can also use React without JSX, in which case you can remove Babel:
https://reactjs.org/docs/react-without-jsx.html
-->
</body>
</html>
来自在网站中添加 React – React (docschina.org)
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