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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 Blog(props) { const sidebar = ( <ul> {props.posts.map((post) => <li key={post.id}> {post.title} </li> )} </ul> ); const content = props.posts.map((post) => <div key={post.id}> <h3>{post.title}</h3> <p>{post.content}</p> </div> ); return ( <div> {sidebar} <hr /> {content} </div> ); } const posts = [ {id: 1, title: 'Hello World', content: 'Welcome to learning React!'}, {id: 2, title: 'Installation', content: 'You can install React from npm.'} ]; const root = ReactDOM.createRoot(document.getElementById("root")); root.render( <Blog posts={posts} /> ); </script> </body> </html>
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