docs: function initResizer() {
          var $iframe = $('<iframe frameborder="0">'),
              $div = $('<div>');
          $iframe.add($div).css({
              opacity: 0,
              visiblility: 'hidden',
              position: 'absolute',
              width: '100%',
              height: '100%',
              top: 0,
              left: 0,
              border: 0
          });
          $iframe.prependTo($div.prependTo(element));
          fixElementPosition();
          $window = $($iframe[0].contentWindow);
          $window.on('resize', checkResize);
      }