But then you still have the following hack offenders: * DOM, * HTML Layout, * CSS, * A small variety of crappy events ( onDomLoaded ), * a fairly rubbish h

But then you still have the following hack offenders: * DOM, * HTML Layout, * CSS, * A small variety of crappy events ( onDomLoaded ), * a fairly rubbish heavyweight communication layer ( AJAX ) * Keyboard bindings that never work cross app, never cross platform * Accessibility ?? * No idea of the energy impact of your code * No ability to do queries on important device metrics ( energy consumption, clipboard, user presence, login / logoff, single sign on ) * History management and back button mess