Now that we can download and cache files using the application cache, it will be a good idea to see how well they work when there is no network connection. The mobile drivers have the ability to go into airplane mode. Hopefully, future versions of desktop browsers will have this ability too.
We will start by having a look at whether the browser is online.
Seeing if a browser is online during a test can be quite useful when we are testing how our application works offline. This is useful for working against sites that have the application cache configured so you can check whether the site works when offline. We first need to make sure we know how to check if the browser is online.
Let's see how this looks.