scrollHeight var added in scroll project

Author: john-smilga

10-scroll/final/app.js

@@ -40,7 +40,10 @@ window.addEventListener("scroll", function () {
     navbar.classList.remove("fixed-nav");
   }
   // setup back to top link
-  if (height > 500) {
+
+  if (scrollHeight > 500) {
+    console.log("helo");
+
     topLink.classList.add("show-link");
   } else {
     topLink.classList.remove("show-link");

10-scroll/final/styles.css

@@ -365,7 +365,6 @@ footer p {
   border-radius: var(--radius);
   color: var(--clr-white);
   animation: bounce 2s ease-in-out infinite;
-
   visibility: hidden;
   z-index: -100;
 }