app.post(path, callback [, callback ...]) Routes HTTP POST requests to the specified path with the specified callback functions. For more information

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

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

app.mountpath The app.mountpath property contains one or more path patterns on which a sub-app was mounted.

res.end([data] [, encoding]) Ends the response process. This method actually comes from Node core, specifically the

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

express.static(root, [options]) This is the only built-in middleware function in Express. It serves static files and is based on

res.json([body]) Sends a JSON response. This method is identical to res.send() with an object or array as the parameter. However

This is essentially going to be the simplest Express app you can create. It is a single file app — not what you’d get if you use the

Express uses the debug module internally to log information about route matches, middleware