This is how useCallback works.

In the callback defined on line 🙄, the function body increases the count by 1. We set the dependency list to be shallChange. This way, the count will not increase unless shallChange gets a different value.

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Here are a few things I noticed in week 7.

I was creating a React app using create-react-app and ran into this error:

After googling around I saw a workaround by installing v5 locally. ⋯