主题
创建一个应用
使用 Vite
bash
pnpm create vite@7详细说明
react:v19react-dom: v19@vitejs/plugin-react: v5typescript: v5vite: v7
使用 CDN
html
<!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="https://unpkg.com/react@18/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
</head>
<body>
<div id="app"></div>
<script type="text/babel">
const { useState, useEffect } = React
const App = () => {
const [count, setCount] = useState(0)
useEffect(() => {
document.title = `${count} times`
}, [count])
const handleClick = () => setCount(count + 1)
return <button onClick={handleClick}>点击了 {count} 次</button>
}
const root = ReactDOM.createRoot(document.getElementById('app'))
root.render(<App />)
</script>
</body>
</html>