I've been teaching myself Clojurescript for the past three months, and while this might, in theory, be a good idea someday, the state of the Clojurescript tooling and learning materials I've used means that it is certainly not a good idea today.
Why? Even as a professional developer, it’s extremely unusual that my cljs work requires any JS familiarity. I don’t see why a complete beginner would even need to know that JS exists.