gvisor/website/_includes/footer.html

<footer class="footer">
  {% include footer-links.html %}
</footer>

<script src="/assets/js/jquery-3.3.1.min.js" integrity="sha384-FZl05tHmJtKNdb6j461opwSK1w4LdKWpehJe28rPTqG2kcPmGzQuvPSLN7q8tsD6" crossorigin="anonymous"></script>
<script src="/assets/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<script src="/assets/js/d3.v4.min.js" integrity="sha384-1EOYqz4UgZkewWm70NbT1JBUXSQpOIS2AaJy6/evZH+lXOrt9ITSJbFctNeyBoIJ" crossorigin="anonymous"></script>

{% if site.analytics %}
<script type="application/javascript">
var doNotTrack = false;
if (!doNotTrack) {
  window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
  ga('create', '{{ site.analytics }}', 'auto');
  ga('send', 'pageview');
}
</script>
<script async src='https://www.google-analytics.com/analytics.js'></script>
{% endif %}

<script>
  var shiftWindow = function() {
    if (location.hash.length !== 0) {
      window.scrollBy(0, -50);
    }
  };
  window.addEventListener("hashchange", shiftWindow);

  var highlightCurrentSidebarNav = function() {
    var href = location.pathname;
    var item = $('#sidebar-nav [href$="' + href + '"]');
    if (item) {
      var li = item.parent();
      li.addClass("active");

      if (li.parent() && li.parent().is("ul")) {
        do {
          var ul = li.parent();
          if (ul.hasClass("collapse")) {
            ul.collapse("show");
          }
          li = ul.parent();
        } while (li && li.is("li"));
      }
    }
  };

  $(document).ready(function() {
    // Scroll to anchor of location hash, adjusted for fixed navbar.
    window.setTimeout(function() {
      shiftWindow();
    }, 1);

    // Flip the caret when submenu toggles are clicked.
    $(".sidebar-submenu").on("show.bs.collapse", function() {
      var toggle = $('[href$="#' + $(this).attr('id') + '"]');
      if (toggle) {
        toggle.addClass("dropup");
      }
    });
    $(".sidebar-submenu").on("hide.bs.collapse", function() {
      var toggle = $('[href$="#' + $(this).attr('id') + '"]');
      if (toggle) {
        toggle.removeClass("dropup");
      }
    });

    // Highlight the current page on the sidebar nav.
    highlightCurrentSidebarNav();
  });
</script>