OptionalauthOptionalbase_OptionalcacheOptionalcredentialsA string indicating whether credentials will be sent with the request always, never, or only when sent to a same-origin URL. Sets request's credentials.
OptionalheadersA Headers object, an object literal, or an array of two-item arrays to set request's headers.
OptionalintegrityA cryptographic hash of the resource to be fetched by request. Sets request's integrity.
OptionalkeepaliveA boolean to set request's keepalive.
Optionalmax_OptionalmethodA string to set request's method.
OptionalmodeA string to indicate whether the request will use CORS, or will be restricted to same-origin URLs. Sets request's mode.
OptionalparamsOptionalpriorityOptionalredirectA string indicating whether request follows redirects, results in an error upon encountering a redirect, or returns the redirect (in an opaque fashion). Sets request's redirect.
OptionalreferrerA string whose value is a same-origin URL, "about:client", or the empty string, to set request's referrer.
OptionalreferrerA referrer policy to set request's referrerPolicy.
Optionalrequest_OptionalsignalAn AbortSignal to set request's signal.
Optionaluser_OptionalwindowCan only be null. Used to disassociate request from any Window.
A string indicating how the request will interact with the browser's cache to set request's cache.