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npm设置镜像源

书写经典 2024-11-06 阅读 27
<!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/react@17.0.2/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/@babel/standalone@7.25.9/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>

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