January 14, 2021

How to use React functional components

The core purpose of a React component is to define the displayed view and bind it to the code that drives its behavior. React’s functional components distill this down to the simplest possible profile: a function that receives properties and returns a JSX definition. Everything required for behavior is defined within the function body, and the class-related parts of object-oriented components are dropped.

Functional components are capable of performing all the work of a class-based component beginning with React 16, via the “hooks” API.

Simple class-based vs. functional comparison

Let’s begin by comparing a very simple class-based component with a functional version.

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