React development: Why you need to use UsememoPosted by Anna Culada on August 3rd, 2022  UseMemo uses to memoize high-value functions to prevent having to call them every rendering. In the TypeScript definitions for useMemo you can use the line below. It has some bugs in it, however, so don't make it optional, as it can lead to errors. In the next version of React, the need for three separate hooks should be eliminated. Like it? Share it! More by this author |