Way back in the Firebug days, Honza refactored the codebase to use requirejs. This article has a reference to some test that uses with in the JS. Reminds me tha

Way back in the Firebug days, Honza refactored the codebase to use requirejs. This article has a reference to some test that uses with in the JS. Reminds me that we used that as part of loading extensions into Firebug so that they couldn’t accidentally pollute the global namespace. Everything has its place!