https://www.ncdor.gov/themes/custom/nc_barrio/js/modules/nc.sitepage.js?v=1.15

1!function(r){"use strict";Drupal.behaviors.site_page={attach:function(t,l){r(once("jumplinks","body",t)).each(function(){if("On"===l.sitepage.onThisPage){var t=r("#main h2"),a=r('<nav id="jumpNavMenu" class="on-this-page navbar" aria-label="On This Page"></nav>'),e=r('<div class="container-fluid"></div>'),n=r('<div class="collapse navbar-collapse" id="navbarSupportedContent"></div>');const s=r('<ul class="navbar-nav"></ul>');var o=r('<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">On This Page</button>');function i(t,a,e){t.preventDefault();let n=a.href;t=r(a).attr("href");let o=r(t);r("#navbarSupportedContent").collapse("hide"),0<o.length&&(o[0].setAttribute("tabindex","0"),a=r(t).offset().top-e,r("body, html").animate({scrollTop:a},100,function(){history.replaceState({},"",n),o[0].focus()}))}r(document).on("keydown",function(t){"Escape"===t.key&&r("#navbarSupportedContent").hasClass("show")&&r(document.activeElement).closest("div.container-fluid").length&&(r("#navbarSupportedContent").collapse("hide"),r("button.navbar-toggler").focus())}),t.each(function(t,a){var a=r(a),e=a.attr("id"),t=e||"heading-"+t;e||a.attr("id",t),"Primary tabs"!==a.text()&&(a=80<(e=a.text()).length?e.substring(0,80)+"…":e,e=r('<a class="nav-link jumplink"></a>').attr("href","#"+t).text(a),t=r('<li class="nav-item"></li>').append(e),s.append(t))}),n.append(s),e.append(o),e.append(n),a.append(e),r(a).find(".jumplink").each(function(){this.addEventListener("click",function(t){993<r(window).width()&&i(t,this,75),r(window).width()<993&&(i(t,this,450),setTimeout(()=>{r("#navbarSupportedContent").collapse("hide")},500))})}),r(".node--type-site-page > header").append(a);new bootstrap.ScrollSpy(document.body,{target:"#jumpNavMenu"})}})}}}(jQuery);