PWAs and events aren't part of the JS language; see https://html.spec.whatwg.org
On Tue, Mar 30, 2021 at 5:39 AM Adam Eisenreich <a...@seznam.cz> wrote: > I think that PWA should have the ability to override the default > beforeunloadEvent message. > > Since returning string is already deprecated and removed from all > browsers, it would be safe to change how the returned value is handeled. > > *All proposed changes should only apply to installed PWAs!* > > If the return value is: > > 1. HTMLFormElement - display the element in front of everything with a > backdrop disabling every other interaction. > * CSS of the page should apply to this element. > * Browser listens to the "submit" event of the form; based on the > truthiness of the return value from the form submit event either close > window or hide message while keeping window open > * Closing the window via system buttons a second time (while dialog is > open) will force the closing of the page. > 2. String - Display the standard beforeunload dialog that used to have > the custom message. > > What are your thoughts? Should PWA have the exception and have elevated > possibilities? > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss >
_______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
