Looking for JS challenge resources sorted by themes/playlists

Looking for JS challenge resources sorted by themes/playlists
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#1

While doing a big app from scratch is obviously the best way to practice and hone your JS skills, one not always has the time. Simultaneously, doing katas and small challenges is a nice and quick way to get better, but I find the selection too random. Sometimes you do a really cool one, and others you get one that seems to exist just for the sake of it.

Is there any place where you can find JS challenges/algorithm problems ordered by specific themes and levels?

I.e., in want to practice array find method, so let’s do just that.