docs: function duplicateParentLink() {
      /* Update text and link */
      $('.navigation > .main-nav__items > .menu-item--expanded').each(function () {
  
        $this = $(this);
  
        // Allow our duplicate link to 'inherit' all active classes if present
        var activeTrailClass = $this.hasClass('menu-item--active-trail') ? 'menu-item--active-trail' : '';
        var isActiveClass = $this.children('a').hasClass('is-active') ? 'is-active' : '';
      
        $thisDuplicate = $this.children('ul.main-nav__items').find('.menu-item--duplicate');
  
        $thisLink = $this.children('a');
  
        $thisDuplicate.addClass(activeTrailClass) // Add activeclass to li item
          .children('a').addClass(isActiveClass) // Add active class to link itself
            .attr('href', $thisLink.attr('href'))  // Add active class and url
              .children('span').text($thisLink.text()); // Add link copy
      });
    }