Testing pure JS without DOM operations is the reason why I don't pay that much attention to all the bragging about speed: it's mostly irrelevant to what I do.

Testing pure JS without DOM operations is the reason why I don't pay that much attention to all the bragging about speed: it's mostly irrelevant to what I do. There is however http://dromaeo.com/ http://dromaeo.com/ which does test for DOM operations.