JavaScript@javascript · channel · 30 984 subscribers✅ High trust

Post Message #3503

18 September 2026

J

JavaScript

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JavaScript06:31CHALLENGE let i = 0; const key = () => `k${i++}`; const obj = { [key()]: i, [key()]: i, [key()]: i, }; console.log(Object.keys(obj).join(','), obj.k0, obj.k1, o

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JavaScript06:31CHALLENGE const a = 5 & 3; const b = 5 | 2; const c = ~5; const d = 1 << 31; const e = -1 >>> 28; const f = 5 ^ 5; console.log(a, b, c, d, e, f);J

JavaScript06:31Poll

J

JavaScript

JavaScript@javascript · channel · Tech

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