Yes. We tend to forget javascript was the first mainstream language (no, CommonLisp is not mainstream) proposing lambdas & closures, for instance. In the 1990's

Yes. We tend to forget javascript was the first mainstream language (no, CommonLisp is not mainstream) proposing lambdas & closures, for instance. In the 1990's, that was quite amazing. And, on the other hand, they couldn't implement the 'this' keyword correctly, among other trivial mistakes.