Q. What will happen if two React components have the same key in a list?

  • (A) It will crash the app
  • (B) It will cause re-rendering issues
  • (C) It will optimize rendering
  • (D) Nothing happens
πŸ’¬ Discuss
βœ… Correct Answer: (B) It will cause re-rendering issues
Explanation: Duplicate keys in lists can confuse React during reconciliation, causing unexpected behavior.
Explanation by: Mr. Dubey
Duplicate keys in lists can confuse React during reconciliation, causing unexpected behavior.

πŸ’¬ Discussion


πŸ“Š Question Analytics

πŸ‘οΈ
75
Total Visits
πŸ“½οΈ
1 y ago
Published
πŸŽ–οΈ
Mr. Dubey
Publisher
πŸ“ˆ
88%
Success Rate