1. @DomName('WebGL2RenderingContext.isTransformFeedback')
  2. @DocsEditable()
  3. @Experimental()
bool isTransformFeedback(TransformFeedback feedback)

Source

@DomName('WebGL2RenderingContext.isTransformFeedback')
@DocsEditable()
@Experimental() // untriaged
bool isTransformFeedback(TransformFeedback feedback) native;