res.location(path) Sets the response Location HTTP header to the specified path parameter.

app.path() Returns the canonical path of the app, a string. var

Routing refers to the definition of application end points (URIs) and how they respond to client requests. For an introduction to routing, see

app.route(path) Returns an instance of a single route, which you can then use to handle HTTP verbs with optional middleware. Use app.route()

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

res.type(type) Sets the Content-Type HTTP header to the MIME type as determined by

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

Overview Express 5.0 is still in the alpha release stage, but here is a preview of the changes that will be in the release

When running an Express app behind a proxy, set (by using app.set()) the application variable trust proxy to one of the values listed in the following table.

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