...and it's quite clear that using it on the server is not that efficient compared to other languages that were designed to run on the server. The article proves that point.
I'm afraid you've confused a language with a particular virtual machine that runs it. That's like criticizing CSS because Internet Explorer implements it badly. The article proves nothing other than one particular JavaScript VM isn't as efficient as Erlang, not exactly a big surprise considering that's not what the VM was written for.
Comments
> It just that JavaScript is a client language
No, JavaScript is a language, it's been used on clients and servers for quite a few years now.
...and it's quite clear that using it on the server is not that efficient compared to other languages that were designed to run on the server. The article proves that point.
I'm afraid you've confused a language with a particular virtual machine that runs it. That's like criticizing CSS because Internet Explorer implements it badly. The article proves nothing other than one particular JavaScript VM isn't as efficient as Erlang, not exactly a big surprise considering that's not what the VM was written for.
the language has very little to do with efficiency or suitability for server / client side.