html
复制代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>React Input Display</title>
</head>
<body>
<div id="root"></div>
<script src="https://unpkg.com/[email protected]/umd/react.development.js"></script>
<script src="https://unpkg.com/[email protected]/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/@babel/[email protected]/babel.min.js"></script>
<script type="text/babel">
function App() {
const [text, setText] = React.useState("");
const handleChange = (event) => {
setText(event.target.value);
};
return (
<div style={{ textAlign: "center", marginTop: "50px" }}>
<h1>Text Display</h1>
<label>aa
<input type="text" value={text} onChange={handleChange} />
</label>
<p>{text}</p>
</div>
);
}
ReactDOM.render(<App />, document.getElementById("root"));
</script>
</body>
</html>