Board Thread:Support Requests - Getting Technical/@comment-184543-20130614191615/@comment-1158325-20130614223329

I assumed .mw-spcontent was only for transcluded special pages like that, but yep, every page has a unique class on the body. Alternatively, you could use an if statement checking mw.config.get('wgPageName'). (Not sure about efficiency and stuff with these.)