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Which method is used to update a component's state in React?

How do you create a functional component in React?

Which hook is used to manage state in functional components?

What is the purpose of the useEffect hook in React?

Which file is typically the entry point of a React application created with Create React App?

What is a key prop in React lists used for?

How do you conditionally render elements in React?

Which lifecycle method is invoked immediately after a component is mounted?

What is a higher-order component (HOC) in React?

Which hook is used for memoizing expensive calculations in React?

What does the useContext hook provide in React?

How can you prevent a component from re-rendering unnecessarily?

Which of the following is a valid way to create a ref in a functional component?

What is the default behavior of useEffect if no dependency array is provided?

Which of the following best describes a controlled component in React?

What is the purpose of the key attribute in React lists?

Which hook would you use to optimize performance by memoizing a callback function?

How do you import the useState hook from React?

What is the primary purpose of React's Virtual DOM?

What does the term 'lifting state up' refer to in React?

Which command is used to create a new React application using Create React App?

What is the purpose of the render method in a React class component?

Which hook replaces the functionality of componentDidMount, componentDidUpdate, and componentWillUnmount in functional components?

How can you pass a function as a prop to a child component in React?

What is the purpose of the fragment syntax <> </> in React?

Which lifecycle method is called when a component is about to be removed from the DOM?

What does the term 'one-way data binding' in React mean?

Which of the following is used to style components in React?

What is the main benefit of using Redux with React?

Which middleware is commonly used for handling asynchronous actions in Redux?

What is the purpose of the Provider component in a React-Redux application?

Which hook can be used to access the Redux store state in a functional component?

What does the useDispatch hook do in a React-Redux application?

Which file typically contains the root component of a React application?

What is the benefit of using PropTypes in React?

Which hook helps in persisting values between renders without causing a re-render when updated?

What is the purpose of keys in React when rendering lists?

Which lifecycle method would you use to perform cleanup before a component is removed from the DOM in a class component?

What does the term 'lifting state up' imply in React development?

How can you optimize a React application's performance when dealing with large lists?

Which hook is used to create side effects that run only once when a component mounts?

What is the recommended way to conditionally apply CSS classes in React?

Which concept in React allows components to capture and handle errors in their child component tree?

What is the role of the React.StrictMode component?

Which of the following is a valid way to update state based on the previous state in a functional component?

How can you share logic between multiple React components?

Which tool is commonly used for state management in large-scale React applications?

What is one benefit of using React hooks over class components?

What is the primary role of the useReducer hook?

Which syntax is used to import React in a component file?

What is the function of the React DevTools browser extension?

Which feature allows React components to be lazy-loaded?

What is the primary benefit of code splitting in React?

Which of the following is used to handle forms in React?

What is the purpose of useLayoutEffect in React?

What is the role of memoization in React components?

React JS Developer

What is React primarily used for?