1. DomName('OESVertexArrayObject.isVertexArrayOES')
  2. DocsEditable()
bool isVertexArray(VertexArrayObjectOes arrayObject)

Source 

@DomName('OESVertexArrayObject.isVertexArrayOES')
@DocsEditable()
bool isVertexArray(VertexArrayObjectOes arrayObject) => _blink.BlinkOESVertexArrayObject.instance.isVertexArrayOES_Callback_1_(this, arrayObject);