Really excited for JS to finally get something similar with Iterator and AsyncIterator helper methods. It's way behind Ruby in that regard.<p><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Iterator#iterator_helper_methods" rel="nofollow">https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...</a><p><a href="https://github.com/tc39/proposal-async-iterator-helpers">https://github.com/tc39/proposal-async-iterator-helpers</a>