Engage your web app's users with push notifications quiz

1. A ___ is basically JavaScript code that can run in the background, even when your website isn't open or the browser is closed.
   response

   service worker

   inquire

   trader
2. True or false? You can use the Notification.requestPermission() method to trigger a popup that asks users to allow or block notifications from your website.
   True

   False
3. True or false? It's impossible for users to unsubscribe from your push notifications after they subscribe to them.
   True

   False
4. Fill-in-the-blanks

   Enter one or more words to complete the sentence.

   Your push notification server mainly needs to ___ new subscriptions and ___ old subscriptions.

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