Скачать или смотреть JavaScript Array | JavaScript Interview Questions

🎯 JavaScript Interview Trick!
Do you know what this logs? 👇

console.log([1, , 3].length);

🧠 Options:
A) 2
B) 3 ✅
C) 1
D) Error

✅ Correct Answer: 3
📌 Explanation: The array [1, , 3] has a missing element, not undefined. JavaScript still counts it in the length property. So, the length is 3, not 2!

📢 If you're preparing for JavaScript interviews, this is a MUST-KNOW!
👇
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