Request Complete Reference

A quick reference for the req object's most commonly used properties and methods.

Property	Description
`req.app`	Reference to the current Express app instance.
`req.baseUrl`	The path on which a router is mounted.
`req.body`	Parsed request body (needs a body-parsing middleware).
`req.cookies`	Cookies sent by the client (needs `cookie-parser`).
`req.fresh`	Whether the client's cache is still fresh.
`req.hostname`	Hostname derived from the `Host` header.
`req.ip`	The client's IP address.
`req.ips`	IPs from `X-Forwarded-For` when `trust proxy` is enabled.
`req.method`	The HTTP method used.
`req.originalUrl`	The original request URL before internal rewrites.
`req.params`	Named route parameters.
`req.path`	The path portion of the URL.
`req.protocol`	`http` or `https`.
`req.query`	Query-string parameters.
`req.route`	The matched route.
`req.secure`	`true` if the connection uses TLS.
`req.signedCookies`	Signed cookies (needs `cookie-parser` with a secret).
`req.stale`	The inverse of `req.fresh`.
`req.subdomains`	Subdomains present in the hostname.
`req.xhr`	`true` for `XMLHttpRequest`-based requests.

Method	Description
`req.accepts()`	Checks acceptable content types.
`req.acceptsCharsets()`	Checks acceptable character sets.
`req.acceptsEncodings()`	Checks acceptable content encodings.
`req.acceptsLanguages()`	Checks acceptable languages.
`req.get()`	Reads a request header.
`req.is()`	Checks the request's content type against a MIME type.

Keep this table handy when you need to quickly recall what a particular req property or method does.