Web Reference: useCallback is a React Hook that lets you cache a function definition between re-renders. React Compiler automatically memoizes values and functions, reducing the need for manual useCallback calls. You can use the compiler to handle memoization automatically. Subscribed 58 2.6K views 3 years ago React 18 Tutorial Episode 118 - UseCallback Hook Web Dev Courses - https://www.johnsmilga.com/...more Jan 22, 2026 · To solve this problem, we can use the useCallback hook. The useCallback hook is essential for optimizing performance in React applications, especially when passing callbacks to child components.
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