But what features does JS have that no other language has, other than the ubiquity of the browser as a platform? JS has been mostly frozen ever since it was created in the mid 90s and you also don't have much to work with when it comes to the standard library.

> But what features does JS have that no other language has, other than the ubiquity of the browser as a platform?

That's its only distinguishing or redeeming feature I can see. If you had a free hand to choose, would you ever want JavaScript?