React Js Check Whether Url Starts with https or http

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>URL Check</title>
  <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 [protocolMessage, setProtocolMessage] = useState('');
      useEffect(() => {
        if (window.location.protocol.startsWith("https")) {
          setProtocolMessage("The current URL is secure (HTTPS)");
        } else if (window.location.protocol.startsWith("http")) {
          setProtocolMessage("The current URL is not secure (HTTP)");
        } else {
          setProtocolMessage("The current URL uses an unknown protocol");
        }
      }, []);
      return (
        <div className="container">
          <h3 className="header">React Js Check Whether Url Starts with https or http</h3>
          <p className="message">{protocolMessage}</p>
        </div>
      );
    }
    ReactDOM.render(<App />, document.getElementById("app"));
  </script>
  <style>
    * {
      box-sizing: border-box;
    }

.container {
      margin: 0 auto;
      width: 600px;
      text-align: center;
      background: #fff;
      border-radius: 5px;
      padding: 20px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

/* Styles for the header */
    .header {
      font-size: 24px;
      color: #333;
      text-align: center;
      margin-bottom: 20px;
    }

/* Styles for the message */
    .message {
      font-size: 18px;
      color: #666;
      text-align: center;
    }
  </style>
</body>
</html>