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

Post Message #3499

16 September 2026

J

JavaScript

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JavaScript06:31Poll J

JavaScript06:30CHALLENGE let count = 0; const inc = () => (count += 1, count); const a = 0 || inc(); const b = null ?? inc(); const c = a && inc(); const d = b?.toString() ||

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JavaScript06:31CHALLENGE const nums = [1, 2, 3, 4, 5]; const result = nums .filter(n => n % 2 !== 0) .map(n => n ** 2) .reduce((acc, n) => acc + n, 0); const arr = [10, , 20, J

JavaScript06:31Poll

J

JavaScript

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