Unless I'm mistaken, the point is that you can modify your styles on the fly as you wish. CSS is pretty static, apart from :hover etc. With js you're free to do

Unless I'm mistaken, the point is that you can modify your styles on the fly as you wish. CSS is pretty static, apart from :hover etc. With js you're free to do what you please. Personally I prefer to use js rather than css for rich webapps.