ladybird/Libraries/LibWeb/HTML/PopoverInvokerElement.idl
Nathan van der Kamp a276cf2d5e LibWeb: Add PopOverInvokerElement and use it in HTMLButtonElement
The popoverTargetElement seems to be one of the only cases of a
reflected Element? attribute in the HTML spec, the behaviour of which
is specified in section 2.6.1.

Buttons can't actually toggle popovers yet because showing/hiding
popovers is not implemented yet.
2024-12-12 17:11:27 +00:00

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// https://html.spec.whatwg.org/multipage/popover.html#attr-popovertargetaction
[MissingValueDefault=toggle, InvalidValueDefault=toggle]
enum PopoverTargetActionAttribute {
"toggle",
"show",
"hide"
};
// https://html.spec.whatwg.org/multipage/popover.html#popoverinvokerelement
interface mixin PopoverInvokerElement {
[Reflect=popovertarget, CEReactions] attribute Element? popoverTargetElement;
[Reflect=popovertargetaction, Enumerated=PopoverTargetActionAttribute, CEReactions] attribute DOMString popoverTargetAction;
};