05/30/2017 (Tue) 06:01:59
Python is actually better than js as universal all-around language. It surely has own flaws, but overall it is better designed than js, has good libraries for almost any area of programming, pretty easy and powerful. You can write small/medium program or quick prototype very fast, and then decide what to do, rewrite it to C/C++/whatever or use as is. Js is good only for some niches, node is meh, community is shit and only one good thing about it is popularity (i.e. amount of already written code for quick use).
However, learning js isn't bad thing, it is widely used and it is good to have skills to work with it. Knowing C is also a good thing, it is language that used as low-level base almost everywhere. C++ is pretty big to learn properly, but basic knowledge of it wouldn't be bad, even if you don't want to write something in it. Knowledge of different types of languages is always good for you. Some lisps, for example, also fun, I recommend trying to read SICP at least for one time.
If you know few of these, you can easily learn languages of same type in short time.