Note that for little while now lazy iterators have been available: - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Iterator

Note that for little while now lazy iterators have been available: - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Iterator https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... - Array.prototype.values https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/values https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... This addresses a few criticisms here, and the main criticisms I had.