The Useless UseCallback
28.07.2025 — React, JavaScript, useCallback, Performance — 5 min read #1: The Uphill Battle of Memoization #2: The Useless useCallback I thought I'd written enough about memoization by now, but I feel there is one pattern I'm seeing a lot lately that makes me think otherwise. So today, I want to look at useCallback , and to some extent useMemo , in situations where I think they are totally pointless. Why memoize? There's usually only two reasons to create a memoized version of a function wi