text: var HIGHLIGHTED_SHIRT_CLASS_NAME = "highlighted-shirt";
  
  function HighlightedShirtDecorator(shirt) {
      ShirtDecorator.call(this, shirt);
  }
  HighlightedShirtDecorator.prototype = Object.create(ShirtDecorator.prototype, {
      render: { value: function() {
          ShirtDecorator.prototype.render.call(this);
          this._shirt.getContent().classList.add(HIGHLIGHTED_SHIRT_CLASS_NAME);
      }}
  });