LibWeb/HTML: Implement and use "optional value"

Corresponds to f3444c23ff

Also import a test.
This commit is contained in:
Sam Atkins 2025-07-08 11:28:10 +01:00 committed by Tim Ledbetter
parent 22cc36eeaa
commit af17f38bbf
Notes: github-actions[bot] 2025-07-08 16:10:58 +00:00
9 changed files with 228 additions and 7 deletions

View file

@ -659,6 +659,18 @@ String HTMLInputElement::value() const
VERIFY_NOT_REACHED();
}
Optional<String> HTMLInputElement::optional_value() const
{
switch (m_type) {
// https://html.spec.whatwg.org/multipage/input.html#submit-button-state-(type=submit):concept-fe-optional-value
case TypeAttributeState::SubmitButton:
// The element's optional value is the value of the element's value attribute, if there is one; otherwise null.
return get_attribute(AttributeNames::value);
default:
VERIFY_NOT_REACHED();
}
}
WebIDL::ExceptionOr<void> HTMLInputElement::set_value(String const& value)
{
auto& realm = this->realm();