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Syntax - Tasty Web Development Treats cover image

802: Tree Shaking × useMemo vs useCallback × JavaScript Event Loop - STUMP'd

Syntax - Tasty Web Development Treats

NOTE

Define Wisely, Optimize Smartly

Defining a function within a React component leads to its redefinition every time the component is rendered. To avoid performance issues, utilize memoization with hooks like useMemo and useCallback. While useMemo caches the output or value, useCallback memoizes the function itself. This distinction is crucial because React components operate as functions, so understanding how to manage function definitions and their outputs effectively can enhance efficiency.

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