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

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

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

app.disabled(name) Returns true if the Boolean setting name is disabled (false), where name

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

app.set(name, value) Assigns setting name to value, where name is one of the properties from the app

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()

app.enabled(name) Returns true if the setting name is enabled (true), where name is one

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

app.render(view, [locals], callback) Returns the rendered HTML of a view via the callback function. It accepts an optional parameter