1. @DomName('WebGL2RenderingContext.getAttribLocation')
  2. @DocsEditable()
  3. @Experimental()
int getAttribLocation(Program program, String name)

Source 

@DomName('WebGL2RenderingContext.getAttribLocation')
@DocsEditable()
@Experimental() // untriaged
int getAttribLocation(Program program, String name) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .getAttribLocation_Callback_2_(this, program, name);