req.signedCookies When using cookie-parser middleware

req.originalUrl req.url is not a native Express property, it is inherited from Node’s

req.acceptsLanguages(lang [, ...]) Returns the first accepted language of the specified languages, based on the request’s Accept-Language

req.acceptsCharsets(charset [, ...]) Returns the first accepted charset of the specified character sets, based on the request’s Accept-Charset

req.baseUrl The URL path on which a router instance was mounted. The req.baseUrl property is similar

req.body Contains key-value pairs of data submitted in the request body. By default, it is undefined, and is populated when you

req.param(name [, defaultValue]) Deprecated. Use either req.params, req.body or req

req.app This property holds a reference to the instance of the Express application that is using the middleware. If

req.ip Contains the remote IP address of the request. When the trust proxy setting does not evaluate

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