Function Fetch

pub(crate) fn Fetch(
    global: &GlobalScope,
    input: RequestInfo<DomTypeHolder>,
    init: RootedTraceableBox<RequestInit<DomTypeHolder>>,
    comp: InRealm<'_>,
    can_gc: CanGc,
) -> Rc<Promise>

https://fetch.spec.whatwg.org/#fetch-method