2 ms·

This style isn't efficient in JS, though, because it produces a ton of garbage to collect. TCO doesn't really make it more efficient, just possible.

• imbnwa 3y ago
  This, you need a compiler to solve this unless you plan on doing it by hand
• jeswin 3y ago
  If we're commenting on style, we should exclude corner cases. 10k recursive calls are relatively rarer, and could be outside the style preference.