anchor.diff:        divElement.hidden = true;
       }
   
  +
     }
   
   }
  
positive.code:     while (divElement.childNodes.length > 0) divElement.childNodes.last.remove();
  
      var canvas2 = new CanvasElement();
      canvas2.style.height = "250px";
      divElement.hidden = false;
      var text = new HeadingElement.h2();
      text
  
negative.code:   @Input()
    Year year;
    int yr = 2016;
  
    double width;
  
    @ViewChild('canvasMain')
    ElementRef canvas;
  