window.mozInnerScreenY | Huge DOM compatibility table

Browser	Version	Own?	Type	As String
Chrome	81.0.4044	?	?	?
Edge	86.0.622	?	?	?
Firefox	68.0.0	?	?	?
Firefox	79.0.0	own	number	79
Firefox	81.0.0	own	number	84
IE	10.0.0	?	?	?
Safari	10.1.2	?	?	?

Properties	Chrome	Edge	Firefox	IE	Safari