React Quiz #02: React Class Components vs Functional Components Interview Questions

quizzesforyou.com
5 min readJul 14, 2023

Explore the Core Concepts of React Class and Functional Components and test your understanding with quizzes.

Check out the interactive React Class vs Functional component quiz https://quizzesforyou.com/quiz/reactclassvsfunctional

React List https://medium.com/@quizzesforyou/list/react-quizzes-test-your-react-skills-767013df92be

React, a popular JavaScript library for building user interfaces provides developers with two fundamental approaches for creating reusable and modular components class components and functional components. Let's explore them in this article,

Class Components:

  • Class components were the primary way of creating components in React before the introduction of React Hooks in version 16.8.
  • They encapsulate the component’s logic, state, and lifecycle methods.
  • Class components are suitable for complex and stateful components.

State and Lifecycle:

  • Class components can manage the state using the internal state object.
  • State updates trigger the re-rendering of the component.
  • Lifecycle methods (e.g., componentDidMount()…

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