[Nandi]

Context and tool switching which can sometimes lower productivity of done often actually does happen. When using JS for both client side and server side it doesn't. From a position of having done both several times in the past years I can tell you it does help

[ravivyas]

I also think it is easier to get started with as onboarding is much simpler as the base language is the same. Going from Android to iOS development was much harder than going to JS to backend development with NodeJS