WebSocket

This code shows how to communicate with server using WebSocket.
var webSocketUrl = 'ws://echo.websocket.org';

//open connection to WebSocket
var webSocket = new WebSocket(webSocketUrl);

//success callback
webSocket.onopen = function(e) 
{
    console.log('connection open, readyState: ' + e.target.readyState);
    if(e.target.readyState == 1) {
        //send message to server
	    webSocket.send('message');
	}
};

//error callback
webSocket.onerror = function(e) 
{
	console.log('error: ' + e.message);
};

//receiving message callback
webSocket.onmessage = function(e) 
{
    console.log('server message: ' + e.data);
};

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