gistfile1.txt

def f
  yield "trol"
  yield "olol"
  yield "lolo"
end

var f = function() {
  continuation = {};
  continuation = {
    next: function() {
      return continuation.body(continuation);
    }, 
    step: 0,
    body: function(context) {
      switch(context.step) {
      case 0:
        context.step = 1
        return "trol";
      case 1:
        context.step = 2
        return "olol";
      case 2:
        context.step = 3;
        return "lolo";
      default:
        throw "StopIteration"
      }
    }
  };
  return continuation;
}


it = f()
console.log(it.next())
console.log(it.next())
console.log(it.next())
console.log(it.next())