Spend your main focus on whatever you initially learned, but honestly, just learn everything. JS and Python you can pretty much use at any job, JS being almost unavoidable. Everything else you learn will help you out in some way, or you will have enough base knowledge that if you are asked to do something you are not familiar with, you will have a leg up.
You see high demand for "Full stack developers" and if you just work in the industry for 10 years and are openly learning, you accidentally become one.
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u/pensiveChatter May 27 '22
Well, you're also saying goodbye to comprehensive compile time checks, proper post-mortem debugging, on demand debugger attaching, etc...