Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
SummaryEdit
Returns the distance in pixels from the top side of the current screen.
SyntaxEdit
iTop = window.screen.top
SpecificationEdit
Not part of any current specification.