Very simple echo server in Node.js

echoServer.js

var net = require('net');

var server = net.createServer(function(socket){
	socket.on('data', function(data){
		console.log('data received', data.toString());
		socket.write(data, function(){
			console.log("data re-sended");
		})
	});
}).listen(9090);

server.on('listening', function(){
	console.log('server is listening');
})