React useCallback Hook
Pass an inline callback and an array of dependencies, useCallback will return a memoized version of the callback that only changes if one of the dependencies has changed.
React useCallback Hook Syntax:
const memoizedCallback = useCallback(
() => {
doSomething(a, b);
}, [a, b],
);
React useCallback Hook
React useCallback hook returns a memoized function to reduce unnecessary callbacks. This useCallback hook is used when you have a component in which the child is rerendering again and again without need.
Table of Content
- React useCallback Hook
- React useCallback Hook Usage
- Without using the useCallback Hook
- Using React useCallback Hook
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