Mozilla's JS engine does, and there is at least some work being done to hook Node up to it. https://developer.mozilla.org/en/JavaScript/Guide/Iterators_and_Gen

Mozilla's JS engine does, and there is at least some work being done to hook Node up to it. https://developer.mozilla.org/en/JavaScript/Guide/Iterators_and_Generators https://developer.mozilla.org/en/JavaScript/Guide/Iterators_...