tennessine/gist:03ee7a770d1549e5affc5b1317e512a1

## gistfile1.txt
<!DOCTYPE html>
<meta charset="utf-8" />
<title>WebSocket Test</title>
<script language="javascript" type="text/javascript">
var wsUri = "ws://echo.websocket.org/";
var output;

function init() {
  output = document.getElementById("output");
  testWebSocket();
}

function testWebSocket() {
  websocket = new WebSocket(wsUri);
  websocket.onopen = function(evt) {
    onOpen(evt)
  };
  websocket.onclose = function(evt) {
    onClose(evt)
  };
  websocket.onmessage = function(evt) {
    onMessage(evt)
  };
  websocket.onerror = function(evt) {
    onError(evt)
  };
}

function onOpen(evt) {
  writeToScreen("CONNECTED");
  doSend("WebSocket rocks");
}

function onClose(evt) {
  writeToScreen("DISCONNECTED");
}

function onMessage(evt) {
  writeToScreen('<span style="color: blue;">RESPONSE: ' + evt.data + '</span>');
  websocket.close();
}

function onError(evt) {
  writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);
}

function doSend(message) {
  writeToScreen("SENT: " + message);
  websocket.send(message);
}

function writeToScreen(message) {
  var pre = document.createElement("p");
  pre.style.wordWrap = "break-word";
  pre.innerHTML = message;
  output.appendChild(pre);
}

window.addEventListener("load", init, false);
</script>
<h2>WebSocket Test</h2>
<div id="output"></div>
	<!DOCTYPE html>
	<meta charset="utf-8" />
	<title>WebSocket Test</title>
	<script language="javascript" type="text/javascript">
	var wsUri = "ws://echo.websocket.org/";
	var output;

	function init() {
	output = document.getElementById("output");
	testWebSocket();
	}

	function testWebSocket() {
	websocket = new WebSocket(wsUri);
	websocket.onopen = function(evt) {
	onOpen(evt)
	};
	websocket.onclose = function(evt) {
	onClose(evt)
	};
	websocket.onmessage = function(evt) {
	onMessage(evt)
	};
	websocket.onerror = function(evt) {
	onError(evt)
	};
	}

	function onOpen(evt) {
	writeToScreen("CONNECTED");
	doSend("WebSocket rocks");
	}

	function onClose(evt) {
	writeToScreen("DISCONNECTED");
	}

	function onMessage(evt) {
	writeToScreen('<span style="color: blue;">RESPONSE: ' + evt.data + '</span>');
	websocket.close();
	}

	function onError(evt) {
	writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);
	}

	function doSend(message) {
	writeToScreen("SENT: " + message);
	websocket.send(message);
	}

	function writeToScreen(message) {
	var pre = document.createElement("p");
	pre.style.wordWrap = "break-word";
	pre.innerHTML = message;
	output.appendChild(pre);
	}

	window.addEventListener("load", init, false);
	</script>
	<h2>WebSocket Test</h2>
	<div id="output"></div>