iris/_examples/websocket/basic/browserify/client.html

<!-- the message's input -->
<input id="input" type="text" />

<!-- when clicked then a websocket event will be sent to the server, at this example we registered the 'chat' -->
<button id="sendBtn" disabled>Send</button>

<!-- the messages will be shown here -->
<pre id="output"></pre>

<script src="./bundle.js"></script>