Below is a list of common React interview questions.
- How does React work?
- What are the advantages of using React?
- What is the difference between a Presentational component and a Container component?
- What are the differences between a class component and functional component?
- What is the difference between state and props?
- Name the different lifecycle methods?
- Where in a React component should you make an AJAX request?
- What are controlled components?
- What are refs used for in React?
- What is a higher order component?
- What advantages are there in using arrow functions?
- Why is it advised to pass a callback function to setState as opposed to an object?
- What is the alternative of binding
thisin the constructor? - How would you prevent a component from rendering?
- When rendering a list what is a key and what is its purpose?
- What is the purpose of super(props)?
- What is JSX?
- What is equivalent of the following using React.createElement?
- What is
Children? - What is state in react?
- Why would you eject from create-react-app?
- What is redux?
- What is a store in redux?
- What is an action?
- What is a reducer?
- What is redux thunk used for?
- What is a pure function?
- What do you like about React?
- What don't you like about React?
- Example projects