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

@ -119,9 +119,17 @@ bool HTMLButtonElement::is_submit_button() const
// https://html.spec.whatwg.org/multipage/form-elements.html#the-button-element:concept-fe-value
String HTMLButtonElement::value() const
{
// The element's value is the value of the element's value attribute, if there is one; otherwise the empty string.
return attribute(AttributeNames::value).value_or(String {});
}
// https://html.spec.whatwg.org/multipage/form-elements.html#the-button-element:concept-fe-optional-value
Optional<String> HTMLButtonElement::optional_value() const
{
// The element's optional value is the value of the element's value attribute, if there is one; otherwise null.
return attribute(AttributeNames::value);
}
bool HTMLButtonElement::has_activation_behavior() const
{
return true;