client.html

<script src="http://localhost:3000/socket.io/socket.io.js"></script>

<script>
  var news = io.connect('http://localhost:3000/news');

  news.on('connect', function(socket) {
	news.emit("raul", new Array("1","2","3","4","5","6","7","8","9","10") );
        news.on('get_random_number_from_raul', function(data) {
          console.log(data);
        });
	news.emit("createroom","x");
	news.of("x").on("created",function(data) {
		console.log(data);
	});
  });



</script>