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.
Specifies the y-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.
iAvail = window.screen.availTop
setY = window.screen.height - window.screen.availTop; setX = window.screen.width - window.screen.availLeft; window.moveTo(setX, setY);
In most cases, this property returns 0.