RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 12:38:12 +00:00
Code Issues Activity Actions

LibWeb: Cache the "id" attribute value on DOM::Element as FlyString

Browse source 
This will allow us to do O(1) checks against the element ID when
matching selectors, etc.
This commit is contained in:
Andreas Kling 2023-11-02 14:56:48 +01:00
parent 6b580d68a3
commit 1c62ee9396
2 changed files with 10 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Userland/Libraries/LibWeb/DOM/Element.cpp
View file

@ -478,7 +478,12 @@ void Element::attribute_changed(FlyString const& name, Optional<DeprecatedString
{
auto value_or_empty = value.value_or("");
if (name == HTML::AttributeNames::class_) {
if (name == HTML::AttributeNames::id) {
if (!value.has_value())
m_id = {};
else
m_id = MUST(FlyString::from_deprecated_fly_string(value_or_empty));
} else if (name == HTML::AttributeNames::class_) {
auto new_classes = value_or_empty.split_view(Infra::is_ascii_whitespace);
m_classes.clear();
m_classes.ensure_capacity(new_classes.size());