csp/WebSocketEcho.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Web Socket - connection with test websocket</title>
        <script>
        	var wsUri = 'ws://echo.websocket.org';
        	//var wsUri = 'ws://localhost:57772/chattalktome/talk2me.web.websocketEcho.cls';
        	
        	console.log("wsUri = " + wsUri);
        	if ('WebSocket' in window)
        	{
	           	 console.log("the browser supports webSockets");
	        	
	             var ws = new WebSocket(wsUri);
                 console.log("trying to connect to webSocket server");
                 
                 ws.onopen = function(event) {
                    console.log("we are connected to ECHO websocket server, the data from it: " + event.data);
                    console.log("we send the messege to ECHO websocket server: Hello Web Socket!");
                    ws.send("Hello Web Socket!");
           		 };

                 ws.onmessage = function(event) {
                    console.log("we've got the messege from ECHO websocket server, data: " + event.data);
        		    console.log("we send request to close connection");
        		    ws.close();
                 };

                 ws.onclose = function(event) {
                    console.log("connection is closed, data: " + event.data);
                 };
                 
                 ws.onerror = function(error) {
					console.log("Error: " + error.message + ".");
				};
                 
         	} else console.log("the browser does not support webSockets");
             
        </script>
    </head>
    <body>
    
    <p>All results you can see in the console of the browser (F12).</p>
    </body>
</html>