React Interview Questions
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Q21.
What is key in React list rendering?
Q22.
Why keys are important in React?
Q23.
What is reconciliation in React?
Q24.
What is memoization in React?
Q25.
What is React.memo?
Q26.
What is useMemo hook?
Q27.
What is useCallback hook?
Q28.
Difference between useMemo and useCallback?
Q29.
What are synthetic events in React?
Q30.