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Make option disabledness look for ancestor optgroups #11721

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Merged
merged 5 commits into from
Oct 8, 2025
Merged

Make option disabledness look for ancestor optgroups #11721

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cae57b6
Make option disabledness look for ancestor optgroups
josepharhar Sep 29, 2025
10b756a
look for nearest ancestor
josepharhar Sep 30, 2025
7ddc327
use algorithm and check for select elements
josepharhar Oct 1, 2025
3b60a7a
incorporate hr and option element ancestors
josepharhar Oct 1, 2025
39c41f5
remove extra return
josepharhar Oct 7, 2025
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6 changes: 3 additions & 3 deletions source
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Original file line number Diff line number Diff line change
Expand Up @@ -56989,9 +56989,9 @@ interface <dfn interface>HTMLOptionElement</dfn> : <span>HTMLElement</span> {
<p>The <dfn element-attr for="option"><code data-x="attr-option-disabled">disabled</code></dfn>
attribute is a <span>boolean attribute</span>. An <code>option</code> element is <dfn
data-x="concept-option-disabled">disabled</dfn> if its <code
data-x="attr-option-disabled">disabled</code> attribute is present or if it is a child of an
<code>optgroup</code> element whose <code data-x="attr-optgroup-disabled">disabled</code>
attribute is present.</p>
data-x="attr-option-disabled">disabled</code> attribute is present or if its nearest
<span>ancestor</span> <code>optgroup</code>, if present, has the <code
data-x="attr-optgroup-disabled">disabled</code> attribute set.</p>
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Should it also be disabled when we have <optgroup disabled><optgroup><option>?

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Nested optgroups are something that we decided not to support, so in this case I don't think it should be disabled. I changed the text to look for the nearest ancestor optgroup instead.

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Please also add a test for this case.

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@annevk annevk Oct 1, 2025 •
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I guess I also have some other reservations. Is <select disabled><option> not disabled? What about <optgroup disabled><select><option>? (Not sure what the right answers are here, but it should be clear and we need test coverage, even if they are edge cases.)

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<select disabled><option> is not disabled, and <optgroup disabled><select><option> is also not disabled with the latest commit which aborts if it finds a select element before an optgroup. I will add tests.

</div>

<div w-nodev>
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