[Webkit-unassigned] [Bug 254401] New: Animations inside a Details tag only fire once
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Mar 24 02:39:35 PDT 2023
https://bugs.webkit.org/show_bug.cgi?id=254401
Bug ID: 254401
Summary: Animations inside a Details tag only fire once
Product: WebKit
Version: Safari 16
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Animations
Assignee: webkit-unassigned at lists.webkit.org
Reporter: kizmarh at ya.ru
CC: dino at apple.com, graouts at apple.com
Created attachment 465567
--> https://bugs.webkit.org/attachment.cgi?id=465567&action=review
Video recording of the CodePen link demonstrating the bug: expanding the details only fires the animation once, while showing/hiding an element via a checkbox fires it every time.
Steps to reproduce:
1. Create a `<details>` tag.
2. Put an element inside that has an animation that runs once.
3. Expand the details, close it, expand again.
Codepen link: https://codepen.io/kizu/pen/XWPopdM
When there is an element with an animation inside the details, it works only the first time we expand the details, but does not work on any consecutive toggling.
This is an issue that would prevent us from using animations of transitions for the details content — with the new discrete display animations (https://github.com/w3c/csswg-drafts/issues/6429), as well as with the initial state transitions (https://github.com/w3c/csswg-drafts/issues/8174), it would be really nice to use them with `<details>`, but this bug prevents us from it.
Checked in other browsers: Chrome has the same issue (I did file it there as well — https://bugs.chromium.org/p/chromium/issues/detail?id=1427375), while Firefox seem to work as I expect it to.
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