[Webkit-unassigned] [Bug 230294] XMLHttpRequest Progress Even Not Firing for Requests Finished under 100Ms

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Sep 15 04:05:37 PDT 2021


Sam Sneddon [:gsnedders] <gsnedders at apple.com> changed:

           What    |Removed                     |Added
                 CC|                            |cdumez at apple.com,
                   |                            |webkit-bug-importer at group.a
                   |                            |pple.com, youennf at gmail.com
          Component|WebCore JavaScript          |WebKit Misc.

--- Comment #1 from Sam Sneddon [:gsnedders] <gsnedders at apple.com> ---
Are we talking about progress events for the request upload or the response download?

How often, and when, do you expect the progress event to fire?

The spec says:

> If not roughly 50ms have passed since these steps were last invoked, then return.

So on the face of it, it should fire roughly every 50ms.

That said, going back to your root issue, I think the problem here is WebKit doesn't fire it _at all_ if it the request happens too quickly? That does sound like a bug.

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