4 Functional Components
This chapter covers
- Introducing functional components
- Comparing functional components to class-based components
- Choosing between the two types of component definitions
- Converting a class-based component to a functional component
React was based on class-based components for a long time in the early years, but an alternative came along for the simplest of components at some point. Functional components are a more succinct and, in some regards, simpler way of writing React components, and they now have the same feature set as their class-based cousins.
The term functional component isn’t meant as a contrast to a nonfunctional component—no one has any use for those. Rather, the functional part refers to the component definition ...
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