When to use useCallback, useMemo and useEffect?
Jul 5, 2019 · What is the main difference between useCallback, useMemo and useEffect? Give examples of when to use each of them.
reactjs - What's the difference between useCallback and useMemo …
Mar 2, 2019 · While both useMemo and useCallback remember something between renders until the dependancies change, the difference is just what they remember. useMemo will remember …
Qual é a diferença entre os hooks useMemo e useCallback do React?
Feb 23, 2021 · Sei que useMemo e useCallback são dois novos hooks do React. No entanto, ainda não entendi muito bem a diferença entre elas. Qual a diferença entre "retornar um …
reactjs - What are production use cases for the useRef, useMemo ...
Outside of the counter example seen in many YouTube tutorial videos, what are practical/real-world use cases for useMemo and useCallback? Also, I've only seen an input focus example …
javascript - useMemo vs. useEffect + useState - Stack Overflow
May 7, 2019 · Are there any benefits in using useMemo (e.g. for an intensive function call) instead of using a combination of useEffect and useState? Here are two custom hooks that work …
Understanding of useMemo (does useMemo actually memoize?)
Sep 20, 2023 · Suppose useMemo is doing "classic" memoization, then on the third time instead of recalculating the value, it should be taken from the cache. Does useMemo actually …
Calling a hook inside a useMemo workaround - Stack Overflow
Sep 16, 2024 · I don't think this solves the issue of not calling a hook inside a useMemo. useSearchResult will return a JSX element which is based on the item prop it receives.
UseMemo or Regular Variable Declaration in React
Jun 12, 2025 · UseMemo or Regular Variable Declaration in React Asked 7 months ago Modified 6 months ago Viewed 99 times
How to use the react hook "useMemo" with asynchronous …
Dec 13, 2020 · EDIT What I am trying to achieve is to get the data before the component is rendered, some kind of "componentWillMount" life-cycle. My two options were: Computing the …
React: useEffect vs useMemo vs useState - Stack Overflow
May 28, 2019 · I was trying to find a concise answer to this on the web without luck. Is the following correct regarding the differences between useEffect, useMemo and useState? Both …