access response object in javascript code example

Example: response api

RESPONSE :(STATUS CODE,PAYLOAD(body),HEADER,COOKIE,
           TIME(spent to get response))

1-Status Code:
   2xx - Success
   4xx - Client Error
   5xx - Server Error

2-Payload(Body) : 
The actual resource we got from the server.
Content type can be : plain text, json, xml, html, json etc.

3- Metadata about response to provide more information

4- Cookie

5- Time for getting spended time for the response