req.fresh Indicates whether the request is “fresh.” It is the opposite of req.stale. It is true

req.method Contains a string corresponding to the HTTP method of the request: GET, POST, PUT, and so

req.protocol Contains the request protocol string: either http or (for TLS requests) https. When

req.accepts(types) Checks if the specified content types are acceptable, based on the request’s Accept HTTP header field. The method

req.xhr A Boolean property that is true if the request’s X-Requested-With header field is “XMLHttpRequest”, indicating

req.hostname Contains the hostname derived from the Host HTTP header. When the trust proxy

req.secure A Boolean property that is true if a TLS connection is established. Equivalent to:

req.params This property is an object containing properties mapped to the named route “parameters”. For example, if you have the route

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