[focusgroup] Early Draft to add the focusgroup attribute

[janewman]

• Explainer on OpenUI
• whatwg issue

This is an early draft to add the focusgroup attribute to allow for declarative focus navigation using the directional navigation (arrow keys, d-pad).
This specs the attribute in the explainer on OpenUI.
In case the preview links have not yet been built, alternative built spec can be viewed here

• At least two implementers are interested (and none opposed):
  • Chromium: ChromeStatus entry, implementation bug
  • …
• Tests are written and can be reviewed and commented upon at:
  • Mark as non-tentative once there is consensus: html/interaction/focus/focusgroup/tentative
• Implementation bugs are filed:
  • Chromium
  • Gecko: …
  • WebKit: …
• Corresponding HTML AAM & ARIA in HTML issues & PRs:
• MDN issue is filed: …
• The top of this comment includes a clear commit message to use.

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/dom.html ( diff )
/index.html ( diff )
/infrastructure.html ( diff )
/interaction.html ( diff )

[janewman]

Opening up for review, but please keep in mind this is an early draft.

[janewman]

@annevk, during TPAC you expressed interest in taking a look at this draft spec change - I would really appreciate any feedback you had as I work to move this towards something we think accurately captures the behavior and fits in with the existing logic.
Thanks!