xxxxxxxxxx
<html lang="en">
<head>
<title>{{ title }}</title>
</head>
<body>
<h1>{{ header }}</h1>
<h3>Server time is: <span id="timer"></span></h3>
<script>
var ws = new WebSocket("ws://127.0.0.1:5005/");
ws.onmessage = function (event) {
var el = document.getElementById('timer');
el.innerHTML = event.data;
};
</script>
</body>
</html>