basic script

start.js

var net = require('net'); 
var http = require('http');

// Echo Server 
net.createServer(function(socket) { 
    socket.on('data', function(data) { 
        console.log(data.toString()); 
        socket.write(data); 
    }); 
}).listen(4000); 

console.log('Echo running at http://127.0.0.1:4000/');

// http server 
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello World\n');
}).listen(1337, '127.0.0.1');

console.log('HTTP Server running at http://127.0.0.1:1337/');