React Js Generate Unique UUID

<!DOCTYPE html>
<html>

<body>
    <div id="app"></div>
    <script type="text/babel">
        const { useState, useEffect } = React;

function App() {
            const [uuid, setUuid] = useState('');

const generateUuid = () => {
                const newUuid = crypto.randomUUID();
                setUuid(newUuid);
            };

useEffect(() => {
                generateUuid();
            }, []);

const handleClick = () => {
                generateUuid();
            };

return (
                <div className='container'>
                    <h3>React Js Generate Unique UUID</h3>
                    <p>Unique UUId: {uuid}</p>
                    <button onClick={handleClick}>Generate UUID</button>
                </div>
            );
        }

ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        * {
            box-sizing: border-box;
        }

.container {
            margin: 0 auto;
            width: 600px;
            text-align: center;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            padding: 20px;
        }
    </style>
</body>

</html>

 
<!DOCTYPE html>
<html>
​
<head>
    <meta charset="UTF-8" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/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, useEffect } = React;
​
        function App() {
            const [uuid, setUuid] = useState('');
​
            const generateUuid = () => {
                const newUuid = crypto.randomUUID();
                setUuid(newUuid);
            };
​
            useEffect(() => {
                generateUuid();
            }, []);
​
            const handleClick = () => {
                generateUuid();
            };
​
            return (
                <div className='container'>
                    <h3>React Js Generate Unique UUID</h3>
                    <p>Unique UUId: {uuid}</p>
                    <button onClick={handleClick}>Generate UUID</button>
                </div>
            );
        }
​
        ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        * {
            box-sizing: border-box;
        }
​
        .container {
            margin: 0 auto;
            width: 600px;
            text-align: center;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            padding: 20px;
        }
    </style>
</body>
​
</html>