> It's not using Javascript
It is using JS to hide comments (as others have mentioned above), so in theory, the voting counter could be updated without reloading the entire page. But I'm gussing this would require some non-trivial dev by someone reasonably fluent in JS, and testing to make sure it doesn't break anything else. Your suggestion about using an anchor link could also be a solution, but I suspect this would also involve a non-trivial modification of the forum software used here.