> You can probably use the Page visibility API. It will tell you when your > app is visible or not. This is a bit different than your question but I > believe that it's useful for your use case.
Thanks, that's indeed suitable in my case, and it seems to be working well in all scenarios. _______________________________________________ dev-webapps mailing list [email protected] https://lists.mozilla.org/listinfo/dev-webapps
