What is React useMemo?
`useMemo` is a React hook used for memoizing the result of expensive computations within functional components. It allows us to cache the value returned by a function and reuse it across renders, preventing unnecessary re-execution of the function.
How to use useMemo Hook in a Functional Component in React ?
In React development, optimizing performance is crucial for delivering responsive and fast user experiences. One way to achieve this is by using the `useMemo` hook.
In this article, we’ll explore what `useMemo` is, why it’s beneficial, and how to use it effectively in functional components.
Table of Content
- What is React useMemo?
- Why do we use useMemo?
- React useMemo: How to Cache the Value of Expensive Utilities
- Conclusion: