Understanding useMemo and useCallback
What's the deal with these two hooks?! Lots of devs find them confusing, for a whole host of reasons. In this tutorial, we'll dig deep and understand what they do, why they're useful, and how to get the most out of them.
原文：https://www.a8q9.cn/en/article/understanding-usememo-and-usecallback-2e2a00.html