Cures Cancer

gistfile1.js

function real_fib(n) {
  var i;
  var fibs = new Array(0, 1);
  for(i=0; i<n; i++) {
    fibs.push(fibs[0] + fibs[1]);
    fibs.shift();
  }  
  return fibs[0];
}

http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type' : 'text/plain'});
    res.end(real_fib(40) + '');
}).listen(1337);