<!DOCTYPE html>
<html>
<head>
</head>
<body>
</body>
<script>
    var w = new WebSocket('ws://localhost:9000/websocket');
    w.onopen = () => { console.log('connected'); }
    w.onmessage = (e) => { console.log('receive message:', e.data); }
    w.onclose = () => { console.log('disconnected'); }
</script>
</html>

Add web based websocket client for testing purpose
Add web based websocket client for testing purpose
