Firebug's $$(selector) object is very useful in debugging. However sometimes it is nice to have the power of jQuery over firebug's default tools. For example today I wanted to do a little automation to click some elements in a page (I was tired of clicking each one manually). Or perhaps you want to
refactor some HTML...
Recently I had to refactor some HTML to format a list of DIVs. My first attempt was just to use jQuery to dynamically build the structure. This was "OK" but really the customer wanted the page to be static and was not comfortable with relieing upon jQuery to format the page (after all there are still browsers that don't support...