diff --git a/docs/assets/js/list.js b/docs/assets/js/list.js
index 4416061c84..fd82690c21 100644
--- a/docs/assets/js/list.js
+++ b/docs/assets/js/list.js
@@ -3,9 +3,9 @@
 (function () {
   'use strict'
 
-  var searchInput = document.querySelector('#icons-body #search')
-  var query = new URLSearchParams(window.location.search).get('q')
-  var iconList = new List('icons-body', {
+  const searchInput = document.querySelector('#icons-body #search')
+  const query = new URLSearchParams(window.location.search).get('q')
+  const iconList = new List('icons-body', {
     valueNames: [
       'name', {
         data: [
@@ -22,9 +22,9 @@
     iconList.search(query)
   }
 
-  iconList.on('searchComplete', function() {
-    var searchTerm = searchInput.value
-    var newUrl = new URL(location)
+  iconList.on('searchComplete', () => {
+    const searchTerm = searchInput.value
+    const newUrl = new URL(window.location)
 
     if (searchTerm.length > 0) {
       newUrl.searchParams.set('q', searchTerm)
@@ -32,6 +32,6 @@
       newUrl.searchParams.delete('q')
     }
 
-    history.replaceState(null, null, newUrl)
+    window.history.replaceState(null, null, newUrl)
   })
 })()