Difference Between React.memo() and useMemo()
|
Feature |
React.memo() |
useMemo() |
|---|---|---|
|
Purpose |
Memoizes functional components |
Memoizes the result of expensive computations |
|
Dependency |
Props |
Custom dependencies array |
|
Syntax |
HOC wrapping |
Hook invocation |
|
Return Value |
Memoized component |
Memoized value |
|
Typical Use Case |
Memoizing functional components based on props |
Memoizing expensive computations |
Difference between React.memo() and useMemo() in React.
In React applications, optimizing performance is crucial for delivering a smooth user experience. Two key tools for achieving this are React.memo() and useMemo(). While both help improve performance, they serve different purposes and are used in distinct scenarios.
Table of Content
- What is React.memo() ?
- What is useMemo() ?
- Difference Between React.memo() and useMemo()
- Conclusion