add some js

themes/schliesspendel/layouts/partials/footer.html

@@ -5,5 +5,7 @@
         <p>Icons: <a href="https://material.io/icons">material.io</a>, CSS-Framework: <a href="http://getskeleton.com">Skeleton</a>, Generator: <a href="https://gohugo.io/">Hugo</a></p>
        </footer>
     </div>
+    <script src="https://cdn.jsdelivr.net/npm/jquery@3.2.1/dist/jquery.min.js"></script>
+    <script src="{{ "js/site.js" | relURL }}"></script>
   </body>
 </html>

themes/schliesspendel/static/js/site.js

@@ -0,0 +1,62 @@
+$(document).ready(function() {
+
+  // Variables
+  var $nav = $('.navbar'),
+      $body = $('body'),
+      $window = $(window),
+      navOffsetTop = $nav.offset().top,
+      $document = $(document),
+      entityMap = {
+        "&": "&",
+        "<": "&lt;",
+        ">": "&gt;",
+        '"': '&quot;',
+        "'": '&#39;',
+        "/": '&#x2F;'
+      }
+
+  function init() {
+    $window.on('scroll', onScroll)
+    $window.on('resize', resize)
+    $('a[href^="#"]').on('click', smoothScroll)
+    buildSnippets();
+  }
+
+  function smoothScroll(e) {
+    e.preventDefault();
+    $(document).off("scroll");
+    var target = this.hash,
+        menu = target;
+    $target = $(target);
+    $('html, body').stop().animate({
+        'scrollTop': $target.offset().top-40
+    }, 0, 'swing', function () {
+        window.location.hash = target;
+        $(document).on("scroll", onScroll);
+    });
+  }
+
+  function resize() {
+    $body.removeClass('has-docked-nav')
+    navOffsetTop = $nav.offset().top
+    onScroll()
+  }
+
+  function onScroll() {
+    if(navOffsetTop < $window.scrollTop() && !$body.hasClass('has-docked-nav')) {
+      $body.addClass('has-docked-nav')
+    }
+    if(navOffsetTop > $window.scrollTop() && $body.hasClass('has-docked-nav')) {
+      $body.removeClass('has-docked-nav')
+    }
+  }
+
+  function escapeHtml(string) {
+    return String(string).replace(/[&<>"'\/]/g, function (s) {
+      return entityMap[s];
+    });
+  }
+
+  init();
+
+});