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[selectors] Add CanIUse panels #1193

Closed
#14120
Closed
[selectors] Add CanIUse panels#1193
#14120
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Closed Accepted as EditorialNo substantive change.selectors-4Current Work

Description

@cvrebert
cvrebert
opened on Apr 9, 2017

Bikeshed has a feature to include CanIUse info panels in specs.

Based on an analysis of CanIUse's database, Selectors is the CSS spec with the most CanIUse data, and that data is fine-grained. And Selectors is a fairly fundamental spec. So I'd like to suggest adding CanIUse panels to the spec.

Here are the spec anchors and corresponding CanIUse features for Selectors:

Spec URL CanIUse URL
https://drafts.csswg.org/selectors/#attribute-case http://caniuse.com/#feat=css-case-insensitive
https://drafts.csswg.org/selectors/#descendant-combinators http://caniuse.com/#feat=css-descendant-gtgt
https://drafts.csswg.org/selectors/#first-line http://caniuse.com/#feat=css-first-line
https://drafts.csswg.org/selectors/#indeterminate http://caniuse.com/#feat=css-indeterminate-pseudo
https://drafts.csswg.org/selectors/#matches http://caniuse.com/#feat=css-matches-pseudo
https://drafts.csswg.org/selectors/#negation http://caniuse.com/#feat=css-not-sel-list
https://drafts.csswg.org/selectors/#optional-pseudo http://caniuse.com/#feat=css-optional-pseudo
https://drafts.csswg.org/selectors/#placeholder http://caniuse.com/#feat=css-placeholder-shown
https://drafts.csswg.org/selectors/#range-pseudos http://caniuse.com/#feat=css-in-out-of-range
https://drafts.csswg.org/selectors/#relational http://caniuse.com/#feat=css-has
https://drafts.csswg.org/selectors/#the-any-link-pseudo http://caniuse.com/#feat=css-any-link
https://drafts.csswg.org/selectors/#the-default-pseudo http://caniuse.com/#feat=css-default-pseudo
https://drafts.csswg.org/selectors/#the-dir-pseudo http://caniuse.com/#feat=css-dir-pseudo
https://drafts.csswg.org/selectors/#the-focus-within-pseudo http://caniuse.com/#feat=css-focus-within
https://drafts.csswg.org/selectors/#the-nth-child-pseudo http://caniuse.com/#feat=css-nth-child-of

Activity

  1. tabatkins
    added
    selectors-4Current Work
    on Apr 20, 2017

  2. svgeesus commented on Jun 27, 2026

    @svgeesus
    svgeesus
    on Jun 27, 2026
    Collaborator

    @tabatkins is it still planned to add CanIUse to Selectors 4? Is this a nice-to-have or essential?

  3. castastrophe commented on Jun 29, 2026

    @castastrophe
    castastrophe
    on Jun 29, 2026
    Contributor

    @tabatkins Is this a feature I can assist with implementing?

  4. tabatkins commented on Jun 29, 2026

    @tabatkins
    tabatkins
    on Jun 29, 2026
    Member

    @castastrophe Sure, feel free to do so. https://speced.github.io/bikeshed/#metadata-include-can-i-use-panels

  5. cvrebert commented on Jun 29, 2026

    @cvrebert
    cvrebert
    on Jun 29, 2026
    MemberAuthor

    IMHO, this has become moot due to MDN largely superseding CanIUse. I've filed #14107 as the one selectors item missing an MDN panel from this issue's original list.

  6. svgeesus
    added a commit that references this issue on Jul 1, 2026

    [selectors-4] Add CanIUse panels #1193 (#14120)

    387bbce
  7. svgeesus
    closed this as completedin #14120on Jul 1, 2026
  8. svgeesus
    added
    Closed Accepted as EditorialNo substantive change.
    on Jul 1, 2026
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