I figured it out...I just needed to do a bit more reading to my Learning jQuery book!
var classNames = { 0: 'first', 1: 'second', 2: 'third' }; $('#section_wrapper_div .section_item').each(function(index) { $(this).addClass(classNames[index % 3]); }); On 10/1/07, Adam Stacoviak <[EMAIL PROTECTED]> wrote: > > I'm trying to find out how to add a class to every third occurrence of > an element. > > Basically, I have a DIV with an undefined number of DIVs inside of it, > and I want to add a class to every third DIV. > > Thanks! > >