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LibWeb/HTML: Update radio group when a checked radio button is connected

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Corresponds to https://github.com/whatwg/html/pull/10917
This commit is contained in:
Sam Atkins
2025-02-12 17:28:25 +00:00
parent 01044cbf1f
commit b6fc4ec892
1 changed files with 15 additions and 0 deletions
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15
Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@@ -1680,6 +1680,21 @@ void HTMLInputElement::clear_algorithm()
void HTMLInputElement::form_associated_element_was_inserted() void HTMLInputElement::form_associated_element_was_inserted()
{ {
create_shadow_tree_if_needed(); create_shadow_tree_if_needed();
if (is_connected()) {
// https://html.spec.whatwg.org/multipage/input.html#radio-button-state-(type=radio)
// When any of the following phenomena occur, if the element's checkedness state is true after the occurrence,
// the checkedness state of all the other elements in the same radio button group must be set to false:
// ...
// - The element becomes connected.
if (type_state() == TypeAttributeState::RadioButton && checked()) {
root().for_each_in_inclusive_subtree_of_type<HTMLInputElement>([&](auto& element) {
if (element.checked() && &element != this && is_in_same_radio_button_group(*this, element))
element.set_checked(false);
return TraversalDecision::Continue;
});
}
}
} }
void HTMLInputElement::form_associated_element_was_removed(DOM::Node*) void HTMLInputElement::form_associated_element_was_removed(DOM::Node*)