// https://html.spec.whatwg.org/multipage/workers.html#workerglobalscope
[Exposed=Worker]
interface WorkerGlobalScope : EventTarget {
    readonly attribute WorkerGlobalScope self;
    readonly attribute WorkerLocation location;
    readonly attribute WorkerNavigator navigator;
    undefined importScripts(USVString... urls);

    attribute OnErrorEventHandler onerror;
    attribute EventHandler onlanguagechange;
    attribute EventHandler onoffline;
    attribute EventHandler ononline;
    attribute EventHandler onrejectionhandled;
    attribute EventHandler onunhandledrejection;
};

WorkerGlobalScope includes FontFaceSource;
WorkerGlobalScope includes UniversalGlobalScope;
WorkerGlobalScope includes WindowOrWorkerGlobalScope;