> But to deal with a really big list in JavaScript we need tail call optimization. And luckily ES6 has it. it was never on by default in v8 and it was complete

> But to deal with a really big list in JavaScript we need tail call optimization. And luckily ES6 has it. it was never on by default in v8 and it was completely removed recently which makes me sad https://bugs.chromium.org/p/v8/issues/detail?id=4698#c69 https://bugs.chromium.org/p/v8/issues/detail?id=4698#c69