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Stefan Judis

With the upcoming Firefox 133 release `fetch` gets a new baseline-supported parameter — `keepalive`.

Requests with the set `keepalive` option won't be canceled when the page unloads or is closed. 💪

stefanjudis.com/today-i-learne

await fetch(`${root}/api/collect`, { method: 'POST', body: data, // keep request alive if the page is unloaded // before the request is complete keepalive: true, });
16 November at 16:41 | Open on front-end.social
6 comments
Sebbe

@stefan very nice. And about time FF got this in.

16 November at 16:57 | Open on mastodon.online
Alex Wilson

@stefan Interesting - is there a limit to the # of connections that can be kept alive?

16 November at 17:09 | Open on mastodon.social
Stefan Judis

@alexwilson That's a great question that I don't have the answer to. 😅 Why would the number of connections matter? I could only think of sending a few tracking beacons on session exit?

16 November at 17:10 | Open on front-end.social
Alex Wilson

@stefan It's a very cool feature — a part of my mind immediately started wondering what happens if you queue up a large number of these on the page unload event... Added a note to my todo list to read the spec. 😅

16 November at 17:22 | Open on mastodon.social
micha

@stefan @rauschma so ohne can get tracked, even when the page/tab is closed? 🤔

16 November at 17:54 | Open on 23.social
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