If you're starting to grasp that JavaScript is integral to the way modern websites and web applications function, you're on the right path. Without JavaScript, most of the user interfaces we take for granted on the web wouldn't exist. Let's take a closer look at how JavaScript brings the frontend together. We'll be working with a couple of React applications, as well as comparing and contrasting a Python application in order to further our understanding of the whys and hows of JavaScript's importance on the frontend.
The following topics will be covered in this chapter:
- Building interactions
- Using dynamic data
- Understanding modern applications