Update homepage.js

Author: benhatsor

homepage/homepage.js

@@ -141,8 +141,15 @@ document.querySelectorAll('.btn.install').forEach(button => {
 
 
 // Register service worker
-navigator.serviceWorker.register('/service-worker.js');
+if ('serviceWorker' in navigator) {
 
+  window.addEventListener('load', () => {
+
+    navigator.serviceWorker.register('/service-worker.js');
+
+  });
+
+}
 
 function checkPWA() {