diff --git a/scripts/js/charts.js b/scripts/js/charts.js
index ffd11968d..83c992704 100644
--- a/scripts/js/charts.js
+++ b/scripts/js/charts.js
@@ -97,11 +97,11 @@ const htmlLegendPlugin = {
 
         textLink.addEventListener("click", () => {
           if (chart.canvas.id === "queryTypePieChart") {
-            window.location.href = "queries.lp?type=" + item.text;
+            globalThis.location.href = "queries.lp?type=" + item.text;
           } else if (chart.canvas.id === "forwardDestinationPieChart") {
             // Encode the forward destination as it may contain an "#" character
             const upstream = encodeURIComponent(upstreams[item.text]);
-            window.location.href = "queries.lp?upstream=" + upstream;
+            globalThis.location.href = "queries.lp?upstream=" + upstream;
           }
         });
       }
diff --git a/scripts/js/footer.js b/scripts/js/footer.js
index f34abe316..c25d3b4e7 100644
--- a/scripts/js/footer.js
+++ b/scripts/js/footer.js
@@ -424,7 +424,7 @@ function updateSystemInfo() {
 function apiFailure(data) {
   if (data.status === 401) {
     // Unauthorized, reload page
-    window.location.reload();
+    globalThis.location.reload();
   }
 }
 
@@ -596,7 +596,7 @@ function updateVersionInfo() {
 }
 
 $(function () {
-  if (window.location.pathname !== "/admin/login") updateInfo();
+  if (globalThis.location.pathname !== "/admin/login") updateInfo();
   var enaT = $("#enableTimer");
   var target = new Date(parseInt(enaT.html(), 10));
   var seconds = Math.round((target.getTime() - Date.now()) / 1000);
@@ -611,7 +611,7 @@ $(function () {
   // Apply per-browser styling settings
   initCheckboxRadioStyle();
 
-  if (window.location.pathname !== "/admin/login") {
+  if (globalThis.location.pathname !== "/admin/login") {
     // Run check immediately after page loading ...
     utils.checkMessages();
     // ... and then periodically
@@ -705,7 +705,7 @@ function applyExpertSettings() {
     //    functionality there), and
     //  - there are no visible boxes (the page is empty)
     if ($(".settings-selector").length > 0 && $(".box:visible").length === 0) {
-      window.location.href = "/admin/settings/system";
+      globalThis.location.href = "/admin/settings/system";
     }
   }
 }
@@ -715,7 +715,7 @@ function addAdvancedInfo() {
   const advancedInfoTarget = $("#advanced-info");
   const isTLS = advancedInfoSource.data("tls");
   const clientIP = advancedInfoSource.data("client-ip");
-  const XForwardedFor = window.atob(advancedInfoSource.data("xff") ?? "");
+  const XForwardedFor = globalThis.atob(advancedInfoSource.data("xff") ?? "");
   const starttime = parseFloat(advancedInfoSource.data("starttime"));
   const endtime = parseFloat(advancedInfoSource.data("endtime"));
   const totaltime = 1e3 * (endtime - starttime);
diff --git a/scripts/js/gravity.js b/scripts/js/gravity.js
index c7129ab71..265732469 100644
--- a/scripts/js/gravity.js
+++ b/scripts/js/gravity.js
@@ -77,7 +77,7 @@ $(function () {
 
   // Do we want to start updating immediately?
   // gravity.lp?go
-  var searchString = window.location.search.substring(1);
+  var searchString = globalThis.location.search.substring(1);
   if (searchString.indexOf("go") !== -1) {
     $("#gravityBtn").prop("disabled", true);
     eventsource();
diff --git a/scripts/js/groups-clients.js b/scripts/js/groups-clients.js
index 4213c0ebc..404b03b30 100644
--- a/scripts/js/groups-clients.js
+++ b/scripts/js/groups-clients.js
@@ -190,7 +190,7 @@ function initTable() {
       selectEl
         // fix dropdown if it would stick out right of the viewport
         .on("show.bs.select", function () {
-          var winWidth = $(window).width();
+          var winWidth = $(globalThis).width();
           var dropdownEl = $("body > .bootstrap-select.dropdown");
           if (dropdownEl.length > 0) {
             dropdownEl.removeClass("align-right");
diff --git a/scripts/js/groups-domains.js b/scripts/js/groups-domains.js
index 03f6fb476..690e93b8b 100644
--- a/scripts/js/groups-domains.js
+++ b/scripts/js/groups-domains.js
@@ -236,7 +236,7 @@ function initTable() {
       selectEl
         // fix dropdown if it would stick out right of the viewport
         .on("show.bs.select", function () {
-          var winWidth = $(window).width();
+          var winWidth = $(globalThis).width();
           var dropdownEl = $("body > .bootstrap-select.dropdown");
           if (dropdownEl.length > 0) {
             dropdownEl.removeClass("align-right");
diff --git a/scripts/js/groups-lists.js b/scripts/js/groups-lists.js
index fac21a40d..d2c33db1d 100644
--- a/scripts/js/groups-lists.js
+++ b/scripts/js/groups-lists.js
@@ -298,7 +298,7 @@ function initTable() {
       selectEl
         // fix dropdown if it would stick out right of the viewport
         .on("show.bs.select", function () {
-          var winWidth = $(window).width();
+          var winWidth = $(globalThis).width();
           var dropdownEl = $("body > .bootstrap-select.dropdown");
           if (dropdownEl.length > 0) {
             dropdownEl.removeClass("align-right");
diff --git a/scripts/js/index.js b/scripts/js/index.js
index 5e7f5eabe..749bdb311 100644
--- a/scripts/js/index.js
+++ b/scripts/js/index.js
@@ -790,7 +790,7 @@ $(function () {
       //get value by index
       var from = label / 1000 - 300;
       var until = label / 1000 + 300;
-      window.location.href = "queries.lp?from=" + from + "&until=" + until;
+      globalThis.location.href = "queries.lp?from=" + from + "&until=" + until;
     }
 
     return false;
@@ -813,7 +813,7 @@ $(function () {
       //get value by index
       var from = label / 1000 - 300;
       var until = label / 1000 + 300;
-      window.location.href = "queries.lp?from=" + from + "&until=" + until;
+      globalThis.location.href = "queries.lp?from=" + from + "&until=" + until;
     }
 
     return false;
diff --git a/scripts/js/login.js b/scripts/js/login.js
index fc194ee0e..b30fd5d8a 100644
--- a/scripts/js/login.js
+++ b/scripts/js/login.js
@@ -18,7 +18,7 @@ function redirect() {
   }
 
   // Redirect to target
-  window.location.replace(target);
+  globalThis.location.replace(target);
 }
 
 function wrongPassword(isError = false, isSuccess = false, data = null) {
diff --git a/scripts/js/queries.js b/scripts/js/queries.js
index 4385f3db2..88c2f2039 100644
--- a/scripts/js/queries.js
+++ b/scripts/js/queries.js
@@ -677,7 +677,7 @@ $(function () {
     var tr = $(this);
     var row = table.row(tr);
 
-    if (window.getSelection().toString().length > 0) {
+    if (globalThis.getSelection().toString().length > 0) {
       // This event was triggered by a selection, so don't open the row
       return;
     }
diff --git a/scripts/js/settings-teleporter.js b/scripts/js/settings-teleporter.js
index 03e730d6a..b337fa907 100644
--- a/scripts/js/settings-teleporter.js
+++ b/scripts/js/settings-teleporter.js
@@ -94,14 +94,14 @@ $("#GETTeleporter").on("click", function () {
     success: function (data, status, xhr) {
       var a = document.createElement("a");
       // eslint-disable-next-line compat/compat
-      var url = window.URL.createObjectURL(data);
+      var url = globalThis.URL.createObjectURL(data);
       a.href = url;
       a.download = xhr.getResponseHeader("Content-Disposition").match(/filename="([^"]*)"/)[1];
       document.body.append(a);
       a.click();
       a.remove();
       // eslint-disable-next-line compat/compat
-      window.URL.revokeObjectURL(url);
+      globalThis.URL.revokeObjectURL(url);
     },
   });
 });
diff --git a/scripts/js/taillog.js b/scripts/js/taillog.js
index 2d8f1c79a..01c1e48ed 100644
--- a/scripts/js/taillog.js
+++ b/scripts/js/taillog.js
@@ -79,7 +79,7 @@ function getData() {
 
   var GETDict = utils.parseQueryString();
   if (!("file" in GETDict)) {
-    window.location.href += "?file=dnsmasq";
+    globalThis.location.href += "?file=dnsmasq";
     return;
   }
 
diff --git a/scripts/js/utils.js b/scripts/js/utils.js
index ead46577d..d83cdf2c5 100644
--- a/scripts/js/utils.js
+++ b/scripts/js/utils.js
@@ -530,7 +530,7 @@ function getCSSval(cssclass, cssproperty) {
   return val;
 }
 
-function parseQueryString(queryString = window.location.search) {
+function parseQueryString(queryString = globalThis.location.search) {
   const GETDict = {};
   queryString
     .substr(1)
@@ -688,7 +688,7 @@ function loadingOverlay(reloadAfterTimeout = false) {
 function callIfVisible(func) {
   if (document.hidden) {
     // Page is not visible, try again in 1 second
-    window.setTimeout(callIfVisible, 1000, func);
+    globalThis.setTimeout(callIfVisible, 1000, func);
     return;
   }
 
@@ -703,22 +703,22 @@ function callIfVisible(func) {
 // visible again.
 function setTimer(func, interval) {
   // Cancel possibly running timer
-  window.clearTimeout(func.timer);
+  globalThis.clearTimeout(func.timer);
   // Start new timer
-  func.timer = window.setTimeout(callIfVisible, interval, func);
+  func.timer = globalThis.setTimeout(callIfVisible, interval, func);
 }
 
 // Same as setTimer() but calls the function every <interval> milliseconds
 function setInter(func, interval) {
   // Cancel possibly running timer
-  window.clearTimeout(func.timer);
+  globalThis.clearTimeout(func.timer);
   // Start new timer
-  func.timer = window.setTimeout(callIfVisible, interval, func);
+  func.timer = globalThis.setTimeout(callIfVisible, interval, func);
   // Restart timer
-  window.setTimeout(setInter, interval, func, interval);
+  globalThis.setTimeout(setInter, interval, func, interval);
 }
 
-window.utils = (function () {
+globalThis.utils = (function () {
   return {
     escapeHtml: escapeHtml,
     unescapeHtml: unescapeHtml,