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websocket.html
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<!doctype html>
<html>
<head>
<title>Polling chat</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font: 13px Helvetica, Arial; }
#form { background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%; }
#form input { border: 0; padding: 10px; width: 90%; margin-right: .5%; }
#form button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 10px; }
#messages { list-style-type: none; margin: 0; padding: 0; }
#messages li { padding: 5px 10px; }
#messages li:nth-child(odd) { background: #eee; }
</style>
</head>
<body>
<ul id="messages"></ul>
<div id="form">
<input id="m" autocomplete="off" /><button id="btn">Send</button>
</div>
<script src="http://code.jquery.com/jquery-1.11.1.js"></script>
<script>
$('#btn').click(function () {
ws.send($('#m').val());
});
var ws = new WebSocket('ws://localhost:3000', 'echo-protocol');
ws.addEventListener("message", function(e) {
console.log("websocket");
console.log("websocket e: " + e);
// The data is simply the message that we're sending back
var msg = e.data;
console.log("msg: " + msg);
// Append the message
$('#messages').append($('<li>').text(msg));
});
</script>
</body>
</html>