websocket-example/client.html at main · kisworo/websocket-example · GitHub

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<!DOCTYPE html>
<html>
<head>
  <title>WebSocket Client</title>
  <style>
    body {
      font-family: Arial, sans-serif;
    }
    #messages {
      border: 1px solid #ccc;
      padding: 10px;
      margin-top: 20px;
      height: 300px;
      overflow-y: scroll;
    }
    .message {
      margin-bottom: 10px;
      padding: 5px;
      border-bottom: 1px solid #ddd;
    }
  </style>
</head>
<body>
  <h1>WebSocket Client</h1>
  <div id="messages"></div>
  <script>
    const ws = new WebSocket('ws://localhost:9080');

    ws.onopen = () => {
      console.log('Connected to the WebSocket server');
      // Send a JSON formatted message to the server
      ws.send(JSON.stringify({ type: 'greeting', name: 'Alice' }));
    };

    ws.onmessage = (event) => {
      const data = JSON.parse(event.data);
      console.log('Received:', data);
      displayMessage(data);
    };

    ws.onclose = () => {
      console.log('Disconnected from the WebSocket server');
    };

    function displayMessage(data) {
      const messagesDiv = document.getElementById('messages');
      const messageDiv = document.createElement('div');
      messageDiv.className = 'message';
      messageDiv.innerText = `${data.message}`;
      messagesDiv.appendChild(messageDiv);
      messagesDiv.scrollTop = messagesDiv.scrollHeight; // Scroll to the bottom
    }
  </script>
</body>
</html>