OptionalbodyA BodyInit object or null to set request's body.
OptionalcacheA string indicating how the request will interact with the browser's cache to set request's cache.
OptionalcredentialsA 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.
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.
OptionalpriorityOptionalredirectA 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.
OptionalretriesNumber of times to retry the request if it fails. If set, the request will be retried this many times before failing.
OptionalsignalAn AbortSignal to set request's signal.
OptionaltimeoutTimeout for the request in milliseconds. If set, the request will be aborted if it takes longer than this time.
OptionalwindowCan only be null. Used to disassociate request from any Window.
Configuration for an individual request, extending RequestInit. Includes optional timeout and retries.