Stdle #139 · enums · 2026-10-23
What does this TypeScript snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
enum E { A, B, C }console.log(Object.keys(E).filter(k => isNaN(+k)).length)Enums
Stdle #139 · enums · 2026-10-23
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
enum E { A, B, C }console.log(Object.keys(E).filter(k => isNaN(+k)).length)