Coffeescript demo

monkeys.coffee

num = 6
lyrics = while num -= 1
  "#{num} little monkeys, jumping on the bed.
    One fell out and bumped his head."

monkeys.js

var num = 6;

lyrics = (function() {
  var results;
  results = [];
  while (num -= 1) {
    results.push(num + " little monkeys, jumping on the bed. One fell out and bumped his head.");
  }
  return results;
})();