code: function _Browser_getViewportOf(id)
  {
  	return _Browser_withNode(id, function(node)
  	{
  		return {
  			__$scene: {
  				__$width: node.scrollWidth,
  				__$height: node.scrollHeight
  			},
  			__$viewport: {
  				__$x: node.scrollLeft,
  				__$y: node.scrollTop,
  				__$width: node.clientWidth,
  				__$height: node.clientHeight
  			}
  		};
  	});
  }
docs: ELEMENT VIEWPORT