ruby-em-example/client.html at master · foobargem/ruby-em-example · GitHub

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<!DOCTYPE HTML>
<html>
	<head>

		<script type="text/javascript">
			function WebSocketTest() {
				if ("WebSocket" in window) {

					// Let us open a web socket
					var ws = new WebSocket("ws://localhost:8080");
					ws.onopen = function() {
						// Web Socket is connected, send data using send()
						ws.send("Message to send");
						alert("Message is sent...");
					};
					ws.onmessage = function (evt) {
						var received_msg = evt.data;
						alert("Message is received...");
					};
					ws.onclose = function() {
						// websocket is closed.
						alert("Connection is closed...");
					};
				} else {
					// The browser doesn't support WebSocket
					alert("WebSocket NOT supported by your Browser!");
				}
			}
		</script>
	</head>
	<body>
		<div id="sse">
			<a href="javascript:WebSocketTest()">Run WebSocket</a>
		</div>
	</body>
</html>