I don't think it does.. If you did $('div#myid') then it would search through all the div's.. Here's a bit on jquery performance that I read about..
http://www.artzstudio.com/2009/04/jquery-performance-rules/ Hope that helps... On May 26, 10:44 pm, jonathan <topcod...@gmail.com> wrote: > does selectors cache? for example, if I do $('#myid') twice, does it > search through the document twice for myid?