diff --git a/src/basic-table.html b/src/basic-table.html
index 8875298e..92b28138 100755
--- a/src/basic-table.html
+++ b/src/basic-table.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/blank.html b/src/blank.html
index d040af8c..6cbfa813 100755
--- a/src/blank.html
+++ b/src/blank.html
@@ -77,10 +77,10 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
-          loader.classList.add('fadeOut');
+        setTimeout(function() {
+            loader.classList.add('fadeOut');
         }, 300);
       });
     </script>
diff --git a/src/buttons.html b/src/buttons.html
index daada8ee..3cac4720 100755
--- a/src/buttons.html
+++ b/src/buttons.html
@@ -27,9 +27,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 3000);
       });
diff --git a/src/calendar.html b/src/calendar.html
index 61729e0e..3f67c854 100755
--- a/src/calendar.html
+++ b/src/calendar.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/charts.html b/src/charts.html
index 6bd6c998..1220ada0 100755
--- a/src/charts.html
+++ b/src/charts.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/chat.html b/src/chat.html
index 64def6fe..aff0676b 100755
--- a/src/chat.html
+++ b/src/chat.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/compose.html b/src/compose.html
index 9b9cb13f..08830c4f 100755
--- a/src/compose.html
+++ b/src/compose.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/datatable.html b/src/datatable.html
index 2b3e759a..8b589d66 100755
--- a/src/datatable.html
+++ b/src/datatable.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/email.html b/src/email.html
index fcf1405e..7e79a67f 100755
--- a/src/email.html
+++ b/src/email.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/forms.html b/src/forms.html
index ef94b2e6..18c4988d 100755
--- a/src/forms.html
+++ b/src/forms.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/google-maps.html b/src/google-maps.html
index fe9f8a51..b718f4bf 100755
--- a/src/google-maps.html
+++ b/src/google-maps.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/index.html b/src/index.html
index bc39c0ad..3cd66697 100755
--- a/src/index.html
+++ b/src/index.html
@@ -76,9 +76,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/signin.html b/src/signin.html
index ede8de0f..a850796f 100755
--- a/src/signin.html
+++ b/src/signin.html
@@ -59,9 +59,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/signup.html b/src/signup.html
index ffb3d7c1..954b8c61 100755
--- a/src/signup.html
+++ b/src/signup.html
@@ -59,9 +59,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/ui.html b/src/ui.html
index ae758630..1855cc82 100755
--- a/src/ui.html
+++ b/src/ui.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });
diff --git a/src/vector-maps.html b/src/vector-maps.html
index 3c2fcde4..36cf7065 100755
--- a/src/vector-maps.html
+++ b/src/vector-maps.html
@@ -77,9 +77,9 @@
     </div>
 
     <script>
-      window.addEventListener('load', () => {
+      window.addEventListener('load', function load() {
         const loader = document.getElementById('loader');
-        setTimeout(() => {
+        setTimeout(function() {
           loader.classList.add('fadeOut');
         }, 300);
       });