📊 React Js
Q. What is the primary purpose of the React key prop?
  • (A) To uniquely identify elements in a list for efficient re-rendering
  • (B) To add CSS styles
  • (C) To bind event handlers
  • (D) To pass data to child components
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✅ Correct Answer: (A) To uniquely identify elements in a list for efficient re-rendering

Explanation: The key prop helps React identify which items have changed, are added, or removed.

Explanation by: Mr. Dubey
The key prop helps React identify which items have changed, are added, or removed.

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