diff --git a/src/script/app/_widget-access.js b/src/script/app/_widget-access.js
index 7a0da74..40af30c 100644
--- a/src/script/app/_widget-access.js
+++ b/src/script/app/_widget-access.js
@@ -9,7 +9,7 @@ if (!Array.prototype.includes) {
         }
 
         // 1. Soit o égal à ? Object(cette valeur).
-        var o = Object(this);
+        var o = new Object(this);
 
         // 2. Soit len égal à ? Length(? Get(o, "length")).
         var len = o.length >>> 0;
@@ -32,7 +32,7 @@ if (!Array.prototype.includes) {
         var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
 
         function sameValueZero(x, y) {
-          return x === y || (typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y));
+          return x === y || (typeof x === 'number' && typeof y === 'number' && Number.isNaN(x) && Number.isNaN(y));
         }
 
         // 7. Répéter tant que k < len
diff --git a/src/script/app/app.js b/src/script/app/app.js
index 83e9f7e..235042a 100644
--- a/src/script/app/app.js
+++ b/src/script/app/app.js
@@ -3,7 +3,7 @@
 // On donne le focus à la fenêtre du site et non au navigateur
 //
 // * * * * * * * * * * * * * * * * * * * *
-$(window).focus();
+$(globalThis).focus();
 
 // * * * * * * * * * * * * * * * * * * * *
 //
diff --git a/src/script/blocs/bloc-o-carte-interactive.js b/src/script/blocs/bloc-o-carte-interactive.js
index deb0b3b..b9298b5 100644
--- a/src/script/blocs/bloc-o-carte-interactive.js
+++ b/src/script/blocs/bloc-o-carte-interactive.js
@@ -110,8 +110,8 @@ $(document).ready(function () {
 
   if (
     typeof drupalSettings !== 'undefined' &&
-    typeof drupalSettings.asip !== 'undefined' &&
-    typeof drupalSettings.asip.map !== 'undefined' ) {
+    drupalSettings.asip !== undefined &&
+    drupalSettings.asip.map !== undefined ) {
     regionsData = drupalSettings.asip.map;
   }