Specification

https://drafts.csswg.org/css-animations-2/#trigger-scope

Explainer

https://github.com/explainers-by-googlers/scroll-triggered-animations/blob/main/TRIGGER_SCOPE.md

Links

• The WG's request for this TAG review: None <!-- If the WG didn't express consensus to ask the TAG for a review, use the "Other Specification Review" template instead, at https://github.com/w3ctag/design-reviews/issues/new?template=015-other-spec-review.yaml. This is usually a deep link into minutes or an email thread. -->
• Previous early design review, if any: None
• An introduction to the feature, aimed at unfamiliar audiences: explainer <!-- Can be the specification's or explainer's introduction, or another section. -->
• A description of the problems that end-users were facing before this proposal: explainer <!-- See https://w3ctag.github.io/explainer-explainer/#end-user-need -->
• Alternatives considered: explainer <!-- See https://w3ctag.github.io/explainer-explainer/#alternatives -->
• Examples of how to use the proposal to solve the end-users' problems: explainer <!-- See https://w3ctag.github.io/explainer-explainer/#describe-proposal -->
• What do the end-users experience with this proposal: <!-- See https://w3ctag.github.io/explainer-explainer/#describe-proposal -->
• User research you did to validate the problem and/or design, if any: None
• Web Platform Tests: In Progress<!-- Or other tests if this is not a web platform feature. -->

The specification

• Follows the Web Platform Design Principles.
• Includes Security and Privacy Considerations sections based on answers to the Security/Privacy Questionnaire.

Where and by whom is the work is being done?

• GitHub repo: None
• Primary contacts:
  • @DavMila, Google, CSSWG participant
  • @flackr, Google, CSSWG participant
  • @tabatkins, Google, CSSWG participant, spec editor
• Organization/project driving the specification:
• This work is being funded by: Google
• Primary standards group developing this feature: CSSWG
• Incubation and standards groups that have discussed the design:
  • CSSWG Issue #12581

Feedback so far

• Active horizontal reviews: None https:// <!-- Link to an issue like https://github.com/webmachinelearning/webnn/issues/239, https://github.com/WebAssembly/spec/issues/1804, or https://github.com/w3c/did/issues/885, which itself links to the other horizontal reviews. If you haven't started the rest of the horizontal reviews, please consider doing so. -->
• Multi-stakeholder feedback:
  • Chromium comments: intend to implement: crbug.com/466134208
  • Mozilla comments: https://github.com/mozilla/standards-positions/issues/1327 <!-- And/or other places they've given feedback -->
  • WebKit comments: https://github.com/WebKit/standards-positions/issues/589 <!-- And/or other places they've given feedback -->
  • {{...include feedback/review from developers, implementers, civil society, and others}}
• Major unresolved issues with or opposition to this specification:
• Status/issue trackers for implementations: Chrome Status,<!-- Include links to [Mozilla's](https://bugzilla.mozilla.org/), [WebKit's Bugzilla](https://bugs.webkit.org/), and trackers for other implementations if those are known to you. -->

You should also know that...

No response

<!-- Content below this is maintained by @w3c-tag-bot -->

---

Track conversations at https://tag-github-bot.w3.org/gh/w3ctag/design-reviews/1175