Offline-Friendly Forms
> If a user is currently offline, we’ll hold off submitting the form for nowBe careful not to completely rely on navigator.onLine for this as your next request could be the first to fail, so you need to deal with submission errors and timeouts too (or safer: always put the data in local storage and remove once you have confirmation of a successful save).The article seems good overall though, I can forgive leaving out some of the nitty-gritty like this to keep the main points clear.