I'll give him the benefit of the doubt and focus on his last point: "Using right tool for the job" Sometimes, it doesn't make sense to include 124kb of Protot

I'll give him the benefit of the doubt and focus on his last point: "Using right tool for the job" Sometimes, it doesn't make sense to include 124kb of Prototype (yes, before gzip and cache) just to be able to do $("myFavoriteDiv").hide()