diff --git a/resources/scripts/header.js b/resources/scripts/header.js
index af49aa82..36b770b0 100644
--- a/resources/scripts/header.js
+++ b/resources/scripts/header.js
@@ -1,6 +1,7 @@
 /*
 * Scroll up Header
 * Modified from https://codepen.io/sajjad/pen/vgEZNy
+* TODO: Convert to Vanilla JS
 */
 
 // Hide header on scroll down
diff --git a/resources/scripts/toc.js b/resources/scripts/toc.js
index d04aaf9b..5611cbef 100644
--- a/resources/scripts/toc.js
+++ b/resources/scripts/toc.js
@@ -6,37 +6,58 @@
  */
 
 const SmoothScroll = () => {
-  const navLinks = document.querySelectorAll('#toc a');
+    if (!'scrollBehavior' in document.documentElement.style) {
+        const navLinks = document.querySelectorAll('#toc a');
 
-  for (let n in navLinks) {
-    if (navLinks.hasOwnProperty(n)) {
-      navLinks[n].addEventListener('click', e => {
-        e.preventDefault();
-        document.querySelector(navLinks[n].hash)
-          .scrollIntoView({
-            behavior: "smooth"
-          });
-      });
+        for (let n in navLinks) {
+            if (navLinks.hasOwnProperty(n)) {
+                navLinks[n].addEventListener('click', e => {
+                    e.preventDefault();
+                    document.querySelector(navLinks[n].hash)
+                        .scrollIntoView({
+                            behavior: "smooth"
+                        });
+                });
+            }
+        }
     }
-  }
 }
 
 const ScrollSpy = () => {
-  const sections = document.querySelectorAll('.mw-headline');
+    const sections = document.querySelectorAll('.mw-headline');
 
-  window.onscroll = () => {
-    const scrollPos = document.documentElement.scrollTop || document.body.scrollTop;
+    window.onscroll = () => {
+        const scrollPos = document.documentElement.scrollTop || document.body.scrollTop;
 
-    for (let s in sections)
-      if (sections.hasOwnProperty(s) && sections[s].offsetTop <= scrollPos) {
-        const id = mw.util.escapeIdForAttribute(sections[s].id);
-        document.querySelector('.active').classList.remove('active');
-        document.querySelector(`a[href*="${ id }"]`).parentNode.classList.add('active');
-      }
-  }
+        for (let s in sections)
+            if (sections.hasOwnProperty(s) && sections[s].offsetTop <= scrollPos) {
+                const id = mw.util.escapeIdForAttribute(sections[s].id);
+                document.querySelector('.active').classList.remove('active');
+                document.querySelector(`a[href*="${ id }"]`).parentNode.classList.add('active');
+            }
+    }
 }
 
-$(document).ready(function() {
-  SmoothScroll();
-  ScrollSpy();
-});
+const CheckToC = () => {
+    var ToC = document.getElementById("toc");
+    if (toc) {
+        SmoothScroll();
+        ScrollSpy();
+    }
+}
+
+function ready(callbackFunc) {
+    if (document.readyState !== 'loading') {
+        CheckToC();
+    } else if (document.addEventListener) {
+        // All modern browsers to register DOMContentLoaded
+        document.addEventListener('DOMContentLoaded', callbackFunc);
+    } else {
+        // Old IE browsers
+        document.attachEvent('onreadystatechange', function() {
+            if (document.readyState === 'complete') {
+                CheckToC();
+            }
+        });
+    }
+}
\ No newline at end of file