Page Scroll Indicator

Author: BhalliBhai

13. Page Scroll Indicator/app.js

@@ -0,0 +1,11 @@
+let indicator = document.querySelector(".scroll-indicator .progress");
+let scrollHeight =
+  document.documentElement.scrollHeight - document.documentElement.clientHeight;
+
+window.addEventListener("scroll", scroll);
+
+function scroll() {
+  let scrollTop = document.documentElement.scrollTop;
+  let scrolled = (scrollTop / scrollHeight) * 100;
+  indicator.style.width = `${scrolled}%`;
+}