1. @DomName('WebGL2RenderingContext.deleteVertexArray')
  2. @DocsEditable()
  3. @Experimental()
void deleteVertexArray(VertexArrayObject vertexArray)

Source 

@DomName('WebGL2RenderingContext.deleteVertexArray')
@DocsEditable()
@Experimental() // untriaged
void deleteVertexArray(VertexArrayObject vertexArray) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .deleteVertexArray_Callback_1_(this, vertexArray);