DOM HTML binding
This is a partial binding to the DOM HTML API.
Common properties of event target objects:
Properties common to all HTML elements
Object representing a range *
Information on current selection
Browser history information
Specification of window objects
Call the appropriate
requestAnimationFrame method variant
(depending on the navigator), or sleep for a short amount
of time when there no such method is provided. We currently
prefix the function name with as underscore as the interface of
this function is not completely standardized yet. Thus, we leave
the room to a function with a possibly refined type.
Viewport top/left position