From Xojo Documentation

Read-Only Property (As Boolean )
BooleanValue = aWebAnimator.YSkewSupported

New in 2010r4

Supported for all project types and targets.

Return True if Y-axis skewing animation is supported by the browser. If False, then the SkewY method does nothing.

Sample Code

Call SkewY if supported by the browser:

If Animator1.YSkewSupported Then
Animator1.SkewY(ImageView1, 20, 0.5)
End If