album/index.html: Refactor Holder code.

docs/4.0/examples/album/index.html

@@ -125,12 +125,14 @@
     <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
     <script>window.jQuery || document.write('<script src="../../../../assets/js/vendor/jquery.min.js"><\/script>')</script>
     <script src="../../../../assets/js/vendor/popper.min.js"></script>
+    <script src="../../../../dist/js/bootstrap.min.js"></script>
     <script src="../../../../assets/js/vendor/holder.min.js"></script>
     <script>
-      $(function () {
-        Holder.addTheme("thumb", { bg: "#55595c", fg: "#eceeef", text: "Thumbnail" });
+      Holder.addTheme('thumb', {
+        bg: '#55595c',
+        fg: '#eceeef',
+        text: 'Thumbnail'
       });
     </script>
-    <script src="../../../../dist/js/bootstrap.min.js"></script>
   </body>
 </html>