how to share progressive web app icon code example

Example 1: pwa install

buttonInstall.addEventListener('click', (e) => {  // Hide the app provided install promotion  hideMyInstallPromotion();  // Show the install 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 install prompt');    } else {      console.log('User dismissed the install prompt');    }  });});

Example 2: A2HS

Add to Home screen or (A2HS)