Contact emails
[email protected]

Explainer
https://github.com/explainers-by-googlers/scroll-snap-type-pair


Specification
https://drafts.csswg.org/css-scroll-snap-1


Summary
https://github.com/w3c/csswg-drafts/issues/9519 Add a "pair" keyword to 
scroll-snap-type. If used, when the container scroll snaps to an element on one 
axis, it should snap to the same element on the other axis. In the existing 
spec, the "both" keyword allows the scroll container to select snap targets in 
X and Y axes independently and snap to different targets.


Blink component
Blink>Scroll


Web Feature ID
scroll-snap


Motivation
See explainer


Initial public proposal
https://github.com/w3c/csswg-drafts/issues/9519


TAG review
https://github.com/w3ctag/design-reviews/issues/1271


TAG review status
Pending


Goals for experimentation
None


Risks




Interoperability and Compatibility
No risk because this is a new feature.

Gecko: No signal (https://github.com/mozilla/standards-positions/issues/1448)

WebKit: No signal (https://github.com/WebKit/standards-positions/issues/716)

Web developers: No signals

Other signals:


WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it 
has potentially high risk for Android WebView-based applications?
No risks



Debuggability
No information provided


Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, 
ChromeOS, Android, and Android WebView)?
Yes


Is this feature fully tested by web-platform-tests?
Yes
https://wpt.fyi/results/?label=master&label=experimental&aligned&q=scroll-snap-type-pair


Flag name on about://flags
No information provided


Finch feature name
CSSScrollSnapTypePair


Rollout plan
Will ship enabled for all users


Requires code in //chrome?
False


Tracking bug
https://crbug.com/542706103


Estimated milestones


Shipping on desktop 156

Shipping on Android 156

Shipping on WebView 156




Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop 
issues. Please list open issues (eg links to known github issues in the project 
for the feature specification) whose resolution may introduce web 
compat/interop risk (eg, changing to naming or structure of the API in a 
non-backward-compatible way).
No information provided


Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5124378896498688?gate=6676576856047616


Links to previous Intent discussions
Intent to Prototype: 
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6a8754d6.0a50a06e.201ba6.08b5.GAE%40google.com



This intent message was generated by Chrome Platform Status.

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