window.PresentationConnection | Huge DOM compatibility table

Properties	Chrome	CriOS	Edge	Firefox	Googlebot	IE	Opera	Safari	SamsungBrowser
length	41.0.2272	?	12.0.0	?	?	?	?	3.0.0	6.0.0
prototype	41.0.2272	?	12.0.0	?	?	?	?	3.0.0	6.0.0
toString	47.0.2526	?	?	?	?	?	?	?	?