app.use([path,] function [, function...]) Mounts the specified middleware function or functions at the specified path. If path

Assuming you’ve already installed Node.js, create a directory to hold your application, and make that your

app.all(path, callback [, callback ...]) This method is like the standard

router.use([path], [function, ...] function) Uses the specified middleware function or functions, with optional mount path path

res.links(links) Joins the links provided as properties of the parameter to populate the response’s Link HTTP header

res.format(object) Performs content-negotiation on the Accept HTTP header on the request object, when present. It uses

res.render(view [, locals] [, callback]) Renders a view and sends the rendered HTML string to the client. Optional parameters:

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

app.engine(ext, callback) Registers the given template engine callback as ext. By

app.enable(name) Sets the Boolean setting name to true, where name is one of the properties from the