code: function () {
          var self = this, elm;
  
          if (!self.contentWindow) {
            elm = self.iframeElement;
  
            if (elm) {
              self.contentWindow = elm.contentWindow;
            }
          }
  
          return self.contentWindow;
        }
docs: Returns the iframes window object.
  
  @method getWin
  @return {Window} Iframe DOM window object.