I Was referring to the lower level GUI world, that in which you implement "Button" and "TextField" - OO was, and still is, a great win there. The Win32 / Cocoa

I Was referring to the lower level GUI world, that in which you implement "Button" and "TextField" - OO was, and still is, a great win there. The Win32 / Cocoa / Xt level. But even inside the browser, the fact that even div/span/thing is an object, to which you can attach listeners, and otherwise apply methods, works rather well - I'm not familiar with a better alternative for implementation and dynamic control of this layer