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Frontend Performance Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
Frontend Performance
Why can a memoized component still cascade re-renders despite React.memo, even without any context involvement?
A
This is impossible if React.memo is used correctly
B
If it receives a freshly-created function or object prop every render (unmemoized via useCallback/useMemo on the parent side), React.memo's shallow comparison sees a 'changed' reference every time, defeating the memoization
C
React.memo only works for the first render, never subsequent ones
D
This only happens in development mode, never production
Check Answer