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- <!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="./babel.min.js"></script>
- <script src="./react.development.js"></script>
- <script src="./react-dom.development.js"></script>
- </head>
- <body>
- <div id="root"></div>
- <script type="text/babel">
- class Good extends React.Component {
- render() {
- return <h1>哈哈</h1>
- }
- }
- const element = (
- <>
- <Good />
- </>
- )
- const container = document.getElementById("root");
- const root = ReactDOM.createRoot(container)
- root.render(element);
- </script>
- </body>
- </html>
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