From eec34ae0e94f02511b24c1e632eb03b36424881b Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 15 Feb 2022 23:50:16 +0100
Subject: [PATCH] LibWeb: Make :checked selector actually look at checkedness

It was incorrectly testing for presence of the "checked" attribute.
---
 Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp b/Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
index d897578b08..cb13ee86ed 100644
--- a/Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
+++ b/Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
@@ -12,6 +12,7 @@
 #include <LibWeb/DOM/Text.h>
 #include <LibWeb/HTML/AttributeNames.h>
 #include <LibWeb/HTML/HTMLHtmlElement.h>
+#include <LibWeb/HTML/HTMLInputElement.h>
 
 namespace Web::SelectorEngine {
 
@@ -105,9 +106,7 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
     case CSS::Selector::SimpleSelector::PseudoClass::Type::Checked:
         if (!element.tag_name().equals_ignoring_case(HTML::TagNames::input))
             return false;
-        if (!element.has_attribute("checked"))
-            return false;
-        return true;
+        return static_cast<HTML::HTMLInputElement const&>(element).checked();
     case CSS::Selector::SimpleSelector::PseudoClass::Type::Not:
         for (auto& selector : pseudo_class.not_selector) {
             if (matches(selector, element))