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[cssom-view-1] Editorial scrollIntoView container attribute fixes #12354

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merged 1 commit into from
Jun 20, 2025
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[cssom-view-1] Editorial scrollIntoView container attribute fixes #12354

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8 changes: 5 additions & 3 deletions cssom-view-1/Overview.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -1299,8 +1299,8 @@ The <dfn method for=Element caniuse=scrollintoview>scrollIntoView(<var>arg</var>
1. Set <var>behavior</var> to the {{ScrollOptions/behavior}} dictionary member of <var>options</var>.
1. Set <var>block</var> to the {{ScrollIntoViewOptions/block}} dictionary member of <var>options</var>.
1. Set <var>inline</var> to the {{ScrollIntoViewOptions/inline}} dictionary member of <var>options</var>.
1. If the {{ScrollIntoViewOptions/container}} dictionary member of <var>options</var>,
set <var>container</var> to this element.
1. If the {{ScrollIntoViewOptions/container}} dictionary member of <var>options</var> is "<code>nearest</code>",
set <var>container</var> to the element.
1. Otherwise, if <var>arg</var> is false, then set <var>block</var> to "<code>end</code>".
1. If the element does not have any associated [=CSS/box=],
or is not available to user-agent features,
Expand Down Expand Up @@ -1545,7 +1545,9 @@ means to run these steps:
1. <a for="viewport">Perform a scroll</a> of the <a>viewport</a> to <var>position</var>, with <var>root element</var> as the associated element and <var>behavior</var>
as the scroll behavior.
</dl>
1. If <var>container</var> is not null and <var>scrolling box</var> is a [=shadow-including inclusive ancestor=] of <var>container</var>,
1. If <var>container</var> is not null and either <var>scrolling box</var>
is a [=shadow-including inclusive ancestor=] of <var>container</var> or
is a <a>viewport</a> whose <a for="/">document</a> is a [=shadow-including inclusive ancestor=] of <var>container</var>,
abort the rest of these steps.

</div>
Expand Down