Are there any know issues, where the use of floating point values for CSS properties, has any performance impact on the rendering performance. Especially on mobile devices?
In my case we set the width of the border with JavaScript, and it seems to take longer on iPhone4 when we use floating point values.
I’d say no, there should not be a problem. At least if this tests what I think it does:
http://jsperf.com/float-css-props