Quick JavaScript checkpoint! 🚀 Window terminal open, eyes sharp. Can you guess the exact output of this object modification in your head? It's an elementary school level logic but a great syntax muscle memory test. Lock in your choice: A, B, C, or D? 👇 #JavaScript #Coding

Oct 6, 2026 · 7:02 AM UTC

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This one uses let, so updating the property is perfectly safe. But riddle me this in the replies: If line 1 was changed to const user = { ... }, would the code still output the same result, or would it throw a TypeError? 🧠 Let's see who knows their JS objects! 👇
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