Q. What happens if you use the same key for elements in a list?

  • (A) React warns but works fine
  • (B) Only the first element renders
  • (C) Unexpected behavior may occur
  • (D) Nothing happens
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✅ Correct Answer: (C) Unexpected behavior may occur
Explanation: Using non-unique keys can cause rendering issues in lists.

Published by Mr. Dubey ⭐ 109.99K Points at 08-Jun-2025 03:15 pm in React Js

Explanation by: Mr. Dubey
Using non-unique keys can cause rendering issues in lists.

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