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<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <title>菜鸟教程 React 实例</title> <script src="https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/react/18.2.0/umd/react.production.min.js" ></script> <script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/react-dom/18.2.0/umd/react-dom.production.min.js"></script> <script src="https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M/babel-standalone/6.26.0/babel.min.js" ></script> </head> <body> <div id="root"></div> <script type="text/babel"> function ListItem(props) { return <li>{props.value}</li>; } function NumberList(props) { const numbers = props.numbers; return ( <ul> {numbers.map((number) => <ListItem key={number.toString()} value={number} /> )} </ul> ); } const numbers = [1, 2, 3, 4, 5]; const root = ReactDOM.createRoot(document.getElementById("root")); root.render( <NumberList numbers={numbers} /> ); </script> </body> </html>
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