Fixes jQuery migrate error when getting offset when dropdownParent not in document - #5644
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This fixes an error which is called out in jQuery Migrate but probably never happens in real life. This is because we call `jQuery.fn.offset` without checking if the element is in the document. Based on testing done here and within the MediaWiki team, I'm pretty sure jQuery never actually implemented explicit checks and this jQuery Migrate warning is just to cover the case where a browser might start returning inconsistnet results. And we could at least reproduce the inconsistency, so that's something. We now default the offset to 0/0 if the parent element happens to not be in the document. This appears to be what jQuery used to do in the past, and generally appears to be what people expect in these cases. This fixes #5584.
maxwellfet928
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Jun 8, 2026
Fixes jQuery migrate error when getting offset when dropdownParent not in document
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The following changes were made
AttachBodynow checks thatdropdownParentis in the document before getting the offsetIf this is related to an existing ticket, include a link to it as well.
Fixes #5584 .