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LibWeb: Make Element::is_document_element() slightly nicer

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By following the spec more closely, we can actually make this function
a bit more efficient (by comparing the parent against the document
instead of looking for the first element child of the document).
This commit is contained in:
Andreas Kling 2024-03-13 21:27:29 +01:00
parent bbf67faa95
commit 0c76c7ee36
1 changed files with 2 additions and 1 deletions
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3
Userland/Libraries/LibWeb/DOM/Element.cpp
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@ -777,7 +777,8 @@ bool Element::is_target() const
// https://dom.spec.whatwg.org/#document-element
bool Element::is_document_element() const
{
return document().document_element() == this;
// The document element of a document is the element whose parent is that document, if it exists; otherwise null.
return parent() == &document();
}
JS::NonnullGCPtr<HTMLCollection> Element::get_elements_by_class_name(StringView class_names)