React functional components vs classical components

by

2022 Update

You only need a class component when you:

Original 2016 Answer

You only need a class component when you:

  • need the component state or
  • need the lifecycle methods. such as componentDidMount etc.

More Related Contents:

  1. React component initialize state from props
  2. React: Passing props to function components
  3. React – Dynamically Import Components
  4. Handle response – SyntaxError: Unexpected end of input when using mode: ‘no-cors’
  5. What are these three dots in React doing?
  6. How can I communicate between related react components?
  7. When to use functional setState
  8. Reactjs async rendering of components
  9. Applying className/onClick/onChange not working on Custom React Component
  10. React – Preventing Form Submission
  11. CSS pseudo elements in React
  12. React 18, useEffect is getting called two times on mount
  13. How to access custom attributes from event object in React?
  14. this.setState isn’t merging states as I would expect
  15. Is there any other way to implement a “listening” function without an infinite while loop?
  16. Can’t type in React input text field
  17. How to sync Redux state and url hash tag params
  18. Webpack output is empty object
  19. Changing the layout of a component depending on Redux state
  20. Why is my function being called twice in React?
  21. How to Set port in next.js
  22. How to namespace es6 classes (for React components)
  23. Use Object.assign or Spread Operator in React/Redux? Which is a better practise
  24. Add a line of code to ALL functions
  25. Update single value in item array | react redux
  26. How to include local javascript on a Gatsby page?
  27. minimise the code since I am using the same code only the content in p tags changes and component AccordionHeader header changes
  28. You’re importing a component that needs useState. It only works in a Client Component, but none of its parents are marked with “use client”
  29. ES6 – declare a prototype method on a class with an import statement
  30. React props: Should I pass the object or its properties? Does it make much difference?

Leave a Comment