- Open DevTools.
- Switch to the Network panel.
- Click `Make Fetch request` button below.
- Observe that request is successfully completed with status 200.
- Disconnect from actual network(Devtools offline does not work for bgsync).
- Again, click `Make Fetch request` button below.
- Observe that request is abortedd due to no network.
- Connect to your network and observe the Network panel in devtools.
- Once the network is connected, you will see that the request is retried automatically upon the `sync event.