列表渲染示例
2025年11月29日
作者：管理员
示例代码
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>React 列表渲染</title>
<script crossorigin src="https://unpkg.com/react@18.3.1/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@18.3.1/umd/react-dom.production.min.js"></script>
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<style>
body { font-family: system-ui, sans-serif; padding: 20px; }
ul { list-style: none; padding: 0; }
li { padding: 8px; margin: 5px 0; background: #f0f0f0; border-radius: 4px; }
</style>
</head>
<body>
<div id="root"></div>
<script type="text/babel">
function TodoList() {
const [todos, setTodos] = React.useState([
{ id: 1, text: '学习 React' },
{ id: 2, text: '构建应用' },
{ id: 3, text: '分享知识' }
]);
return (
<ul>
{todos.map(todo => (
<li key={todo.id}>{todo.text}</li>
))}
</ul>
);
}
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(<TodoList />);
</script>
</body>
</html>