What are the method responses?

The methods on the response object (res) in the following  list can send a response to the client, and terminate the request-response cycle. If none of these methods are called from a route handler, the client request will be left hanging.

• res.download() Prompt a file to be downloaded.
• res.end():End the response process.
• res.json():Send a JSON response.
• res.jsonp():Send a JSON response with JSONP support.
• res.redirect():Redirect a request.
• res.render():Render a view template.
• res.send():Send a response of various types.
• res.sendFile():Send a file as an octet stream.
• res.sendStatus():Set the response status code and send its string representation as the response body.