By the end of this chapter, you should have learned how to install and configure Browsersync and Hot Module Replacement (HMR) as well as launch the Node.js app for development purposes. The configuration described in this chapter is optimized for isomorphic web application development and should dramatically improve your development workflow. Now, you should be able to edit UI elements faster as you can instantly see the result of your work in a browser and on mobile devices and spend less time on debugging.
In the next chapter, you will learn about many different aspects related to rendering a web application on the server.