#import #import // https://html.spec.whatwg.org/multipage/nav-history-apis.html#window [Global=Window, Exposed=Window, LegacyUnenumerableNamedProperties, UseNewAKString] interface Window : EventTarget { // user prompts undefined alert(); undefined alert(DOMString message); boolean confirm(optional DOMString message = ""); DOMString? prompt(optional DOMString message = "", optional DOMString default = ""); undefined postMessage(any message, USVString targetOrigin); // FIXME: undefined postMessage(any message, USVString targetOrigin, optional sequence transfer = []); // FIXME: undefined postMessage(any message, optional WindowPostMessageOptions options = {}); }; Window includes GlobalEventHandlers; Window includes WindowEventHandlers;