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Add shadowrootslotassignment attribute#43753

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keithamus wants to merge 2 commits intomdn:mainfrom
keithamus:add-shadowrootslotassignment-attribute
Open

Add shadowrootslotassignment attribute#43753
keithamus wants to merge 2 commits intomdn:mainfrom
keithamus:add-shadowrootslotassignment-attribute

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@keithamus
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@keithamus keithamus commented Apr 12, 2026

Description

This adds docs for the shadowrootslotassignment attribute.

Motivation

Trying to add the docs so that whatwg/html#12267 can be merged.

Additional details

I've largely cribbed the docs style from the other shadowroot* attributes.

Related issues and pull requests

mdn/browser-compat-data#29457

@keithamus keithamus requested review from a team as code owners April 12, 2026 09:38
@keithamus keithamus requested review from estelle and pepelsbey and removed request for a team April 12, 2026 09:38
@github-actions github-actions bot added Content:HTML Hypertext Markup Language docs Content:WebAPI Web API docs labels Apr 12, 2026
@github-actions github-actions bot added the size/s [PR only] 6-50 LoC changed label Apr 12, 2026
@pepelsbey
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Thank you. Is there an existing browser implementation? It seems to be missing from BCD for now.

@pepelsbey
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It seems like it's not implemented yet. So I would keep this PR open until the first experimental implementation lands, as we only document features supported by browsers. Thank you again for doing this in advance!

@keithamus keithamus force-pushed the add-shadowrootslotassignment-attribute branch from c4c9d81 to 01414b1 Compare April 12, 2026 09:58
@keithamus
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It seems like it's not implemented yet. So I would keep this PR open until the first experimental implementation lands, as we only document features supported by browsers. Thank you again for doing this in advance!

Right. https://groups.google.com/a/mozilla.org/g/dev-platform/c/8qxAHE9-Xdo is my intent to ship this in Firefox. I'll work on adding BCD definitions.

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github-actions bot commented Apr 12, 2026

@keithamus keithamus force-pushed the add-shadowrootslotassignment-attribute branch 3 times, most recently from a998293 to ce2b217 Compare April 12, 2026 10:08
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3 participants