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

Post Message #3497

15 September 2026

J

JavaScript

📊 Quiz

What is the output?

[object Object] [object Object] [object Object] 10
[object Object] [object Object] 10
0 [object Object] [object Object] 10
[object Object] [object Object] 11

votes: 160 · results after voting — in Telegram ↗

2.3K · 06:31

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JavaScript06:31CHALLENGE const a = [] + []; const b = [] + {}; const c = {} + []; const d = 1 + "1" - 1; console.log(a, b, c, d);

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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() || J

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J

JavaScript

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