Stdle #131 · quirks · 2026-10-09
What does this JavaScript snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
const a = [1, NaN, 3];console.log(a.includes(NaN), a.indexOf(NaN));Quirks
Stdle #131 · quirks · 2026-10-09
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
const a = [1, NaN, 3];console.log(a.includes(NaN), a.indexOf(NaN));