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LibWeb: Add Node::in_a_document_tree()

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This is "in a document tree" from the DOM spec.
This commit is contained in:
Andreas Kling 2021-09-29 22:23:28 +02:00
parent d660e86d13
commit 71087422f6
2 changed files with 9 additions and 0 deletions
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7
Userland/Libraries/LibWeb/DOM/Node.cpp
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@ -866,4 +866,11 @@ bool Node::is_equal_node(Node const* other_node) const
return true; return true;
} }
// https://dom.spec.whatwg.org/#in-a-document-tree
bool Node::in_a_document_tree() const
{
// An element is in a document tree if its root is a document.
return root().is_document();
}
} }

2
Userland/Libraries/LibWeb/DOM/Node.h
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@ -71,6 +71,8 @@ public:
virtual bool requires_svg_container() const { return false; } virtual bool requires_svg_container() const { return false; }
virtual bool is_svg_container() const { return false; } virtual bool is_svg_container() const { return false; }
bool in_a_document_tree() const;
// NOTE: This is intended for the JS bindings. // NOTE: This is intended for the JS bindings.
u16 node_type() const { return (u16)m_type; } u16 node_type() const { return (u16)m_type; }