Untitled

<!doctype html>
<html>
  <head>
    <title>Count</title>

    <script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>

    <script>
      const socket = new WebSocket('ws://localhost:9000')

      socket.onmessage = function(count) {
          $('#count').text(count.data);
      };

    </script>

  </head>
  <body>
    Count: <span id="count">no data yet</span>
  </body>
</html>