It is equivalent to setting the network emulation to Offline in the Network tab - both do exactly the same and both are issuing a yellow warning badge to save us from unnecessary debugging when we forgot we turned this feature on. By checking it we simulate the lack of internet connectivity from our tab, causing all the network requests to fail and letting us test our offline behaviors. Google Chrome's Dev Tools Application tab switches 'Offline' switch There's also a separate page for Service Worker inspection, and this is where we're going to have a closer look at the three small checkboxes at the top. This tab offers the ability to inspect and clear the data in all the available storage types (Local Storage, Session Storage, IndexedDB, obsolete Web SQL, Cookies and Cache API) as well as to trace background services' activity (including Background Fetch, Background Sync, Notifications, Push API and Payments.

Chrome's Dev Tools has a whole Application tab dedicated to PWA-related matters. Google Chrome, as expected from the Service Worker API and whole Progressive Web Apps ideas main proponent, offers probably the richest developer tooling to ease the debugging, testing and experimenting with the APIs.

Jbridge not implement cando