We've come a long way in this chapter.
We started with the Pyramid of Doom and how the Promise object and async functions can help us a tame asynchronous code. We'll be using these techniques all through this book.
We quickly moved on to writing the foundation of a real application with Express. At the moment, it keeps its data in memory, but it has the basic functionality of what will become a note-taking application supporting real-time collaborative commenting on the notes.
In the next chapter, we'll dip our toes in the water of responsive, mobile-friendly web design. Due to the growing popularity of mobile computing devices, it's become necessary to address mobile devices first before desktop computer users. In order to reach ...
