It's fairly crazy, but then again there are ~700 programming languages listed on Wikipedia, so really, there are just a lot of programming languages in general.

It's fairly crazy, but then again there are ~700 programming languages listed on Wikipedia, so really, there are just a lot of programming languages in general. In terms of Foo->JS there seem to be two main camps, at least that I've noticed: writing a "better" JS (CoffeeScript / Dart et al), and writing something that converts your language to JS so you don't have to learn JS (ClojureScript, Scala.js etc) at all. The latter can have ~700 of those before you've even started to duplicate yourself, so there is still a ways to go :P Arguably there are only half a dozen or so "real" contenders in the former category (in the same way when you decide you want to learn a new programming language you don't pick from all ~700).