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React Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
React
A list of 10,000 items renders every row as a real DOM node, and scrolling is janky. What's the highest-impact fix?
A
Wrap each row component in React.memo
B
Virtualize the list — only render the rows currently visible in the viewport
C
Add useCallback to the row's event handlers
D
Convert the list to a Context provider
Check Answer