Q. What is the main advantage of using keys in React lists?

  • (A) Faster search
  • (B) Easy sorting
  • (C) Helps React identify which items have changed
  • (D) Avoids duplicate rendering
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✅ Correct Answer: (C) Helps React identify which items have changed
Explanation: Keys help React identify which items have changed, been added, or removed.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 03:17 pm in React Js

Explanation by: Mr. Dubey
Keys help React identify which items have changed, been added, or removed.

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