window.CanvasGradient | Huge DOM compatibility table

Properties	Chrome	CriOS	Edge	Firefox	Googlebot	IE	Opera	Safari	SamsungBrowser
length	15.0.874	?	12.0.0	24.0.0	2.1.0	?	?	3.0.0	6.0.0
prototype	15.0.874	?	12.0.0	24.0.0	2.1.0	9.0.0	?	3.0.0	6.0.0
toString	15.0.874	?	?	24.0.0	2.1.0	?	?	4.0.0	?