Summary

In this chapter, we took a dive into the vast world of JavaScript libraries. We started with an explanation of the terms library and framework. From there, we had a look at a few popular frameworks and what they can help us with. The exercises in this chapter demonstrated where we can find external packages and how we can make use of them. Some of the things we did with these libraries included creating fading effects, removing duplicated entries from a list, and rendering DOM elements to the document. We discussed the disadvantages of using external source code as well. However, the biggest achievement of this chapter was creating our own library that helped us create headlines. We finished this chapter by making use of various libraries to enhance our to-do list with some nice UI effects.

The next chapter will show us how to work with data in JavaScript. We will gain an understanding of how data is represented, how it can be passed around, and how specific types can be cast into different types.