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map method in JavaScript #coding #javascript #shorts

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What does this JavaScript .map() return? 🤯
✅ Options:
a) ✅ [undefined, 2, undefined] ← Correct Answer
b) ❌ [false, true, false]
c) ❌ [1, 2, 3]
d) ❌ Syntax Error
📄 SEO-Friendly Description:
🚀 JavaScript MCQ to test your knowledge!
Do you know what this .map() really returns when the if condition fails to return a value?
💡 Here's the breakdown:
.map() always returns an array of the same length
If the if fails, it returns undefined
So the result becomes: [undefined, 2, undefined]
🧠 Think before you code — small details matter!
👇 Drop your answer in the comments
🔁 Share this with your dev circle
📌 Save for future prep
💬 Suggest the next topic
📲 Follow @codebypc for more!
#JavaScript #MapMethod #JavaScriptInterview #JSReels #FrontendFun
#WebDeveloperLife #CodingChallenge #LearnJS #TechReels #codebypc #youtubeshorts
✅ Options:
a) ✅ [undefined, 2, undefined] ← Correct Answer
b) ❌ [false, true, false]
c) ❌ [1, 2, 3]
d) ❌ Syntax Error
📄 SEO-Friendly Description:
🚀 JavaScript MCQ to test your knowledge!
Do you know what this .map() really returns when the if condition fails to return a value?
💡 Here's the breakdown:
.map() always returns an array of the same length
If the if fails, it returns undefined
So the result becomes: [undefined, 2, undefined]
🧠 Think before you code — small details matter!
👇 Drop your answer in the comments
🔁 Share this with your dev circle
📌 Save for future prep
💬 Suggest the next topic
📲 Follow @codebypc for more!
#JavaScript #MapMethod #JavaScriptInterview #JSReels #FrontendFun
#WebDeveloperLife #CodingChallenge #LearnJS #TechReels #codebypc #youtubeshorts