Q. What does the 'key' prop help React identify?

  • (A) The source of the event
  • (B) The value of a form
  • (C) Which items have changed
  • (D) The root element
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✅ Correct Answer: (C) Which items have changed
Explanation: React uses 'key' to identify which items in the list are changed, added, or removed.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 03:12 pm in React Js

Explanation by: Mr. Dubey
React uses 'key' to identify which items in the list are changed, added, or removed.

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