This page tests when the iPhone makes an element clickable (focusable).
It shows that Apple’s “Making Elements Clickable” page is incomplete at best. An element becomes clickable when you register a mouseover, mouseout, mousedown, mouseup, mousemove or click event on it and remains clickable when the event is removed.
This paragraph has no event handlers.
This paragraph had a event handler, but it’s been removed now.
This paragraph currently has a event handler.