gistfile1.js

// Use the package, HTTP.
var http = require('http');

// In the package HTTP, execute createServer
http.createServer(function (req, res) {
  
  // When createServer sees a request, shoot a header with a status 200 (this means OK) and tell it the next bit is text/plain
  res.writeHead(200, {'Content-Type': 'text/plain'});
  
  // This is the bits that go to the browser
  res.end('Hello World\n');

  
})

//This tells http.createServer() to listen on port 1337, on address 127.0.0.1
.listen(1337, '127.0.0.1');


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