React

useCallback Hook in React

Memoize callback identities for optimized child renders.

August 21, 2026 By malekimtiyajmca@gmail.com 1 min read

useCallback Hook in React — a practical guide to React useCallback with clear examples you can reuse in real projects.

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Short description

Useful with React.memo children that depend on referential equality.

useCallback

const onSave = useCallback(() => {
  save(item);
}, [item]);