First step: recognize that knowing JavaScript only doesn’t make you full “stack”, it makes you a web “developer” (at most) who only sees nails they can hit with

First step: recognize that knowing JavaScript only doesn’t make you full “stack”, it makes you a web “developer” (at most) who only sees nails they can hit with 500 pound Node hammer with 10000 warts in the form of isEven() dependencies. Grow your skill set and broaden your until you see what “full stack” actually means.