Klaus Hartl wrote: > Couldn't you add an element as direct child to the body, for which you > define: > > position: absolut; > visibility: hidden; > height: 1em; > font-size: 100% !important; > > Then you can just poll the height of that element, e.g. the offsetHeight > and get the current pixel value. That would even work if the default > size has been changed. > > And it would not only work for the body element, it should work > whereever you append that element. The jqem plugin works in a similiar > way and I think I have seen something like that somewhere else already, > maybe in YUI.
I've run into this before, and came up with pretty much the same solution as Klaus: http://jquery.lukelutman.com/plugins/px/jquery.px.js which you can call like so: $('#example').px('font-size'); One known bug is that it won't work for elements that don't accept content, like <img /> or <input />. Cheers, Luke
