hello.coffee

http = require 'http'

server = http.createServer (req, res) ->
  res.writeHead 200, {'Content-Type': 'text/plain'}
  res.end 'Hello World'

server.listen 1337, "127.0.0.1"

console.log 'Server running at http://127.0.0.1:1337/'

hello.js

  var http, server;

  http = require('http');

  server = http.createServer(function(req, res) {
    res.writeHead(200, {
      'Content-Type': 'text/plain'
    });
    return res.end('Hello World');
  });

  server.listen(1337, "127.0.0.1");

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