1. @DomName('WebGL2RenderingContext.vertexAttribIPointer')
  2. @DocsEditable()
  3. @Experimental()
void vertexAttribIPointer(int index, int size, int type, int stride, int offset)

Source 

@DomName('WebGL2RenderingContext.vertexAttribIPointer')
@DocsEditable()
@Experimental() // untriaged
void vertexAttribIPointer(
        int index, int size, int type, int stride, int offset) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .vertexAttribIPointer_Callback_5_(
            this, index, size, type, stride, offset);