this is a really good first commit

assets/vendor/topbar.js

@@ -1,7 +1,9 @@
 /**
  * @license MIT
  * topbar 1.0.0, 2021-01-06
- * https://buunguyen.github.io/topbar
+ * Modifications:
+ *   - add delayedShow(time) (2022-09-21)
+ * http://buunguyen.github.io/topbar
  * Copyright (c) 2021 Buu Nguyen
  */
 (function (window, document) {
@@ -35,10 +37,11 @@
   })();
 
   var canvas,
-    progressTimerId,
-    fadeTimerId,
     currentProgress,
     showing,
+    progressTimerId = null,
+    fadeTimerId = null,
+    delayTimerId = null,
     addEvent = function (elem, type, handler) {
       if (elem.addEventListener) elem.addEventListener(type, handler, false);
       else if (elem.attachEvent) elem.attachEvent("on" + type, handler);
@@ -95,6 +98,11 @@
         for (var key in opts)
           if (options.hasOwnProperty(key)) options[key] = opts[key];
       },
+      delayedShow: function(time) {
+        if (showing) return;
+        if (delayTimerId) return;
+        delayTimerId = setTimeout(() => topbar.show(), time);
+      },
       show: function () {
         if (showing) return;
         showing = true;
@@ -125,6 +133,8 @@
         return currentProgress;
       },
       hide: function () {
+        clearTimeout(delayTimerId);
+        delayTimerId = null;
         if (!showing) return;
         showing = false;
         if (progressTimerId != null) {