> they insist on using Haskell syntax throughout, and this is most likely to be unfamiliar and obtuse to programmers looking for this kind of articles.

Indeed, that is a big part of a problem.

I find "Functional Programming Jargon" [1] extremely approachable (if you already know modern JS) even though it has been pointed out that their definitions might not be "pure"/correct enough.

[1] https://github.com/hemanth/functional-programming-jargon#mon...