Found some alternative approaches mentioned on [StackOverflow](https://stackoverflow.com/questions/4034659/is-it-possible-to-animate-scrolltop-with-jquery/) linked by @westurner in [here](https://github.com/flesler/jquery.scrollTo/issues/67#issuecomment-62344246). It could be an alternative solution to all the _scrollable() feature detection.