Angular service worker

Apart from the obvious use case of returning cat pictures to every image request, we have found developers mainly use service workers primarily for 2 tasks. Service workers have mostly been associated with offline support for web applications and for push notifications for re-engaging with users .

Web workers and service workers are two types of workers available to websites . They have some things in common: Both run in a secondary thread, allowing JavaScript code to execute without blocking the main thread and the user interface.

Chrome. Open DevTools in Chrome. Click the Application panel, and then click Service Workers in the navigation bar. If a service worker is installed for the currently open page, you’ll see it listed on this pane.