[0dayz]

I think you misunderstood the post, they mean that the original purpose of Javascript has been misused (with mostly the fault lying on the web stack) instead of it being a bad language.

[hombre_fatal]

Why would that be the cocksure interpretation of "JS is a mistake?"

[fake-name]

I mean both. It's failed it's original purpose, and also it is a uniquely gross language in terms of actually having to write it.

Javascript is deeply unpleasant to work with in any way.