OptionalresponseType: XMLHttpRequestResponseTypeThe responseType, such as 'text'. Default ''.
Optionalasync: booleanShould the XHR request use async or not? Default true.
Optionaluser: stringOptional username for the XHR request. Default ''.
Optionalpassword: stringOptional password for the XHR request. Default ''.
Optionaltimeout: numberOptional XHR timeout value. Default 0.
OptionalwithCredentials: booleanOptional XHR withCredentials value. Default false.
Creates an XHRSettings Object with default values.