Remember scroll position when refreshing.

index.html

@@ -43,6 +43,18 @@
             var icon = document.getElementById("toggleICON");
             icon.classList.toggle("fa-sun");  
         }
+
+        document.addEventListener("DOMContentLoaded", function (event) {
+            var scrollpos = sessionStorage.getItem('scrollpos');
+            if (scrollpos) {
+                window.scrollTo(0, scrollpos);
+                sessionStorage.removeItem('scrollpos');
+            }
+        });
+
+        window.addEventListener("beforeunload", function (e) {
+            sessionStorage.setItem('scrollpos', window.scrollY);
+        });
     </script>
 </head>