> The full stack of software included in any significant JavaScript app is big and complicated. But those are libraries under your control at least. The "probl

> The full stack of software included in any significant JavaScript app is big and complicated. But those are libraries under your control at least. The "problem" with Python is that the language itself is big. Normally this is a non-issue, since you can upgrade your interpreter version when your code stack supports it but on the web you don't get that luxury because you are forced to use whatever interpreter the users have.