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LibWeb: Make HTMLCollection faster when it only cares about children

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Some of the live HTMLCollection only ever contain children of their root
node. When we know that's the case, we can avoid doing a full subtree
traversal of all descendants and only visit children.

This cuts the ECMA262 spec loading time by over 10 seconds. :^)
This commit is contained in:
Andreas Kling 2023-05-23 11:25:07 +02:00
parent e31f696ee6
commit df1bb0ff49
Notes: sideshowbarker 2024-07-17 05:41:34 +09:00
10 changed files with 54 additions and 41 deletions
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2
Userland/Libraries/LibWeb/HTML/HTMLOptionsCollection.cpp
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@ -19,7 +19,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<HTMLOptionsCollection>> HTMLOptionsCollecti
}
HTMLOptionsCollection::HTMLOptionsCollection(DOM::ParentNode& root, Function<bool(DOM::Element const&)> filter)
: DOM::HTMLCollection(root, move(filter))
: DOM::HTMLCollection(root, Scope::Descendants, move(filter))
{
}