Definition
HTML Standard defines HTMLSelectElement
[Exposed=Window]
interface HTMLSelectElement : HTMLElement {
[HTMLConstructor] constructor();
[CEReactions] attribute DOMString autocomplete;
[CEReactions] attribute boolean disabled;
readonly attribute HTMLFormElement? form;
[CEReactions] attribute boolean multiple;
[CEReactions] attribute DOMString name;
[CEReactions] attribute boolean required;
[CEReactions] attribute unsigned long size;
readonly attribute DOMString type;
[SameObject] readonly attribute HTMLOptionsCollection options;
[CEReactions] attribute unsigned long length;
getter HTMLOptionElement? item(unsigned long index);
HTMLOptionElement? namedItem(DOMString name);
[CEReactions] undefined add((HTMLOptionElement or HTMLOptGroupElement) element, optional (HTMLElement or long)? before = null);
[CEReactions] undefined remove(); // ChildNode overload
[CEReactions] undefined remove(long index);
[CEReactions] setter undefined (unsigned long index, HTMLOptionElement? option);
[SameObject] readonly attribute HTMLCollection selectedOptions;
attribute long selectedIndex;
attribute DOMString value;
readonly attribute boolean willValidate;
readonly attribute ValidityState validity;
readonly attribute DOMString validationMessage;
boolean checkValidity();
boolean reportValidity();
undefined setCustomValidity(DOMString error);
undefined showPicker();
readonly attribute NodeList labels;
};