Websocket Example - JavaScript

# https://bottlepy.org/docs/dev/async.html
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
    var ws = new WebSocket("ws://example.com:8080/websocket");
    ws.onopen = function()
    {
        ws.send("Hello, world"); };
        ws.onmessage = function (evt)
           { alert(evt.data); };
</script>
</head>
</html>