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@@ -22,17 +22,24 @@ HTMLTableSectionElement::HTMLTableSectionElement(DOM::Document& document, DOM::Q
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HTMLTableSectionElement::~HTMLTableSectionElement() = default;
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HTMLTableSectionElement::~HTMLTableSectionElement() = default;
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+void HTMLTableSectionElement::visit_edges(Cell::Visitor& visitor)
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+{
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+ Base::visit_edges(visitor);
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+ visitor.visit(m_rows);
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+}
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+
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-rows
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-rows
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JS::NonnullGCPtr<DOM::HTMLCollection> HTMLTableSectionElement::rows() const
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JS::NonnullGCPtr<DOM::HTMLCollection> HTMLTableSectionElement::rows() const
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{
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{
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// The rows attribute must return an HTMLCollection rooted at this element,
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// The rows attribute must return an HTMLCollection rooted at this element,
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// whose filter matches only tr elements that are children of this element.
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// whose filter matches only tr elements that are children of this element.
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- // FIXME: This should return the same HTMLCollection object every time,
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- // but that would cause a reference cycle since HTMLCollection refs the root.
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- return DOM::HTMLCollection::create(const_cast<HTMLTableSectionElement&>(*this), [this](Element const& element) {
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- return element.parent() == this
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- && is<HTMLTableRowElement>(element);
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- });
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+ if (!m_rows) {
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+ m_rows = DOM::HTMLCollection::create(const_cast<HTMLTableSectionElement&>(*this), [this](Element const& element) {
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+ return element.parent() == this
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+ && is<HTMLTableRowElement>(element);
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+ });
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+ }
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+ return *m_rows;
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}
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}
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-insertrow
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-insertrow
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