3 ms·

> the intermediate objects are still created Yeah; this is what the new iterator methods were intended to solve https://x.com/MozDevNet/status/202952741142421

• zamadatix 6mo ago
  Basically? // This type of usage creates intermediates array.map().filter() // But these would not? array.values().map().filter().toArray() array.values().reduce()
• phpnode 6mo ago
  unfortunately iterators have their own set of overheads and it's not clear that these new methods are any faster for most use cases.