Stdle #54 · quirks · 2026-07-24
What does this JavaScript snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
const o = {};o[1] = 'a';o['1'] = 'b';console.log(Object.keys(o).length, o[1]);Quirks
Stdle #54 · quirks · 2026-07-24
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
const o = {};o[1] = 'a';o['1'] = 'b';console.log(Object.keys(o).length, o[1]);