Add support for ParentNode::$children #18908
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SakiTakamachi
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Jun 23, 2025
Girgias
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Jun 23, 2025
Girgias
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Jun 24, 2025
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ParentNode::$children returns a HTMLCollection of all directly descendant child elements of a container. I had to move around some properties such that the ParentNode property offsets are always at a fixed offset, to simplify the code. This also adds the necessary code to deal with GC cycles in HTMLCollections. Furthermore, we also disable cloning a HTMLCollection as that never worked and furthermore it also conflicts with the [[SameObject]] WebIDL requirement of $children.
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ParentNode::$children returns a HTMLCollection of all directly descendant child elements of a container.
I had to move around some properties such that the ParentNode property offsets are always at a fixed offset, to simplify the code. This also adds the necessary code to deal with GC cycles in HTMLCollections.
Furthermore, we also disable cloning a HTMLCollection as that never worked and furthermore it also conflicts with the [[SameObject]] WebIDL requirement of $children.