151. In React, what is an error boundary?
Answer:A higher-order component that catches errors
152. How do you define an error boundary in React?
Answer:By wrapping a component with <ErrorBoundary>
153. When does an error boundary catch errors in React?
Answer:In both development and production environments
154. In React, what is the purpose of the componentDidCatch lifecycle method?
Answer:To handle errors and display a fallback UI
155. What happens if an error boundary fails to catch an error in React?
Answer:The application crashes
156. How can you nest error boundaries in a React application?
Answer:By wrapping error boundaries around components
157. In React, what is the purpose of the getDerivedStateFromError lifecycle method in error boundaries?
Answer:To handle errors and update component state
158. Which of the following is a common approach for handling errors in React?
Answer:Displaying an error message to the user
159. What is one of the benefits of using error boundaries in React?
Answer:Improved debugging and error isolation
160. In React, what should you do if an error boundary catches an error that it cannot handle?
Answer:Rethrow the error to the parent error boundary