What are the differences between a class component and a functional component in ReactJS?

Question

Accepted Answer

Class components are ES6 classes that extend from React.Component and have access to state and lifecycle methods, while functional components are simple functions that take props as arguments and return JSX.

Class components are defined using ES6 classes and extend from React.Component
Functional components are simple functions that take props as arguments and return JSX
Class components have access to state and lifecycle methods, while functional components do not
Functional components are easier to read, write, and test compared to class components
With the introduction of React Hooks, functional components can now also have state and lifecycle methods

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