// Register service worker to control making site work offline if ('serviceWorker' in navigator) { navigator.serviceWorker .register('/active2022/abc/sw.js?V=20221115') .then(() => { console.log('Service Worker Registered'); }); } // Code to handle install prompt on desktop let deferredPrompt; const addBtn = document.querySelector('.add-button'); addBtn.style.display = 'none'; window.addEventListener('beforeinstallprompt', (e) => { // Prevent Chrome 67 and earlier from automatically showing the prompt e.preventDefault(); // Stash the event so it can be triggered later. deferredPrompt = e; // Update UI to notify the user they can add to home screen addBtn.style.display = 'block'; addBtn.addEventListener('click', () => { // hide our user interface that shows our A2HS button addBtn.style.display = 'none'; // Show the prompt deferredPrompt.prompt(); // Wait for the user to respond to the prompt deferredPrompt.userChoice.then((choiceResult) => { if (choiceResult.outcome === 'accepted') { console.log('User accepted the A2HS prompt'); } else { console.log('User dismissed the A2HS prompt'); } deferredPrompt = null; }); }); });