As we have seen, the development of applications of Single Page can be extremely complex and have countless resources at our disposal, from simple text editors to IDEs such as WebStorm and Visual Studio.

What happens in almost every SPA is that the data traffic from the database to the User interface is done through a common restful API using the JSON file format.

The next chapter will dive deep into RESTful applications with the MongoDB and Express frameworks running a Node.js server. We will also check the main concepts of Node, such as the event loop and callbacks.