1. DomName('WebGL2RenderingContext.getVertexAttrib')
  2. DocsEditable()
  3. Experimental()
Object getVertexAttrib(int index, int pname)

Source 

@DomName('WebGL2RenderingContext.getVertexAttrib')
@DocsEditable()
@Experimental() // untriaged
Object getVertexAttrib(int index, int pname) => (_blink.BlinkWebGL2RenderingContext.instance.getVertexAttrib_Callback_2_(this, index, pname));