req.query This property is an object containing a property for each query string parameter in the route. If there is no query string, it is
req.path Contains the path part of the request URL. // example.com/users
req.is(type) Returns true if the incoming request’s “Content-Type” HTTP header field matches the MIME type specified by the type
req.ips When the trust proxy setting does not evaluate to false, this property contains an array of IP addresses specified
req.cookies When using cookie-parser middleware,
req.get(field) Returns the specified HTTP request header field (case-insensitive match). The Referrer and Referer
req.stale Indicates whether the request is “stale,” and is the opposite of req.fresh. For more information, see
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