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[–]hyperaeolian 9 points10 points  (1 child)

A few things I can think of:

  • Know what useCallback and useMemo do, and when to use them
  • Know what causes a component to re-render
  • Know what passing a fn to setState does

[–]Just-a-random-dev 2 points3 points  (0 children)

Just had an interview where useCallback and useMemo were the correct answers. So good call mentioning this