Q. What is the role of the `key` prop in React?

  • (A) To pass data to components
  • (B) To keep elements stable during updates
  • (C) To identify the component
  • (D) To trigger a rerender
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✅ Correct Answer: (B) To keep elements stable during updates
Explanation: Keys help React identify which items have changed, are added, or are removed.

Published by Mr. Dubey ⭐ 109.99K Points at 08-Jun-2025 03:20 pm in React Js

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

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