index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Terminal Emulator</title>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/xterm@4.19.0/css/xterm.css">
</head>
<body>
  <div id="terminal"></div>
  <script src="https://cdn.jsdelivr.net/npm/xterm@4.19.0/lib/xterm.js"></script>
  <script>
    const term = new Terminal({ cursorBlink: true });
    term.open(document.getElementById('terminal'));

    const socket = new WebSocket('ws://localhost:6060');
    
    term.onData((input) => {
      socket.send(input);
    });

    socket.onmessage = (event) => {
      term.write(event.data);
    };
  </script>
</body>
</html>