Q. What is the significance of keys when rendering lists in React?

  • (A) They help React identify which items changed, added, or removed
  • (B) They add accessibility features
  • (C) They are used to style list items
  • (D) They bind events to list items
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✅ Correct Answer: (A) They help React identify which items changed, added, or removed
Explanation: Keys provide a unique identifier for list items to optimize rendering.

Published by Mr. Dubey ⭐ 109.99K Points at 08-Jun-2025 03:31 pm in React Js

Explanation by: Mr. Dubey
Keys provide a unique identifier for list items to optimize rendering.

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