React Js Generate Random Id

<!DOCTYPE html>
<html>
  <head>
    <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;

const App = () => {
        const [message, setMessage] = useState("");

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

const generateId = () => {
          const randomId =
            "id-" +
            Math.random().toString(36).substr(2, 9) +
            "-" +
            Date.now().toString(36);
          setMessage(`Random ID: ${randomId}`);
        };

return (
          <div className="container">
            <h3>React Js Generate Random ID</h3>
            <p>{message}</p>
            <button onClick={generateId}>Generate ID</button>
          </div>
        );
      };

ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
      .container {
        max-width: 400px;
        margin: 0 auto;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      }
      .container h3 {
        font-size: 24px;
        margin-bottom: 20px;
      }
    </style>
  </body>
</html>

 
<!DOCTYPE html>
<html>
  <head>
    <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;
​
      const App = () => {
        const [message, setMessage] = useState("");
​
        useEffect(() => {
          generateId();
        }, []);
​
        const generateId = () => {
          const randomId =
            "id-" +
            Math.random().toString(36).substr(2, 9) +
            "-" +
            Date.now().toString(36);
          setMessage(`Random ID: ${randomId}`);
        };
​
        return (
          <div className="container">
            <h3>React Js Generate Random ID</h3>
            <p>{message}</p>
            <button onClick={generateId}>Generate ID</button>
          </div>
        );
      };
​
      ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
      .container {
        max-width: 400px;
        margin: 0 auto;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      }
      .container h3 {
        font-size: 24px;
        margin-bottom: 20px;
      }
    </style>
  </body>
</html>
​