React js write/create text to file

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <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://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
    <div id="app"></div>
    <script type="text/babel">
        const { useState } = React
        function App() {
            const [fileContent, setFileContent] = useState('React Js Create/write text to file ');

const generateAndDownloadFile = () => {
                const blob = new Blob([fileContent], { type: 'text/plain' });
                const url = URL.createObjectURL(blob);

const link = document.createElement('a');
                link.href = url;
                link.setAttribute('download', 'file.txt');

document.body.appendChild(link);
                link.click();
                document.body.removeChild(link);
            };

return (
                <div className='container'>
                    <h2>React write/create text to file</h2>
                    <textarea
                        value={fileContent}
                        onChange={(e) => setFileContent(e.target.value)}
                        rows="5"
                        cols="40"
                    ></textarea>
                    <button onClick={generateAndDownloadFile}>Generate File</button>
                </div>
            );
        };
        ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        .container {
            width: 600px;
            margin: 0 auto;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            padding: 20px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
         
        }

h2 {
            font-size: 24px;
            margin-bottom: 10px;
        }

textarea {
            width: 300px;
            height: 150px;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            resize: vertical;
            font-family: Arial, sans-serif;
            font-size: 14px;
            line-height: 1.5;
        }

button {
            padding: 10px 20px;
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 5px;
            font-family: Arial, sans-serif;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

button:hover {
            background-color: #0056b3;
        }
    </style>

</body>

</html>