When should I use error boundaries?

What are error boundaries in React?

Error boundaries are React components that catch JavaScript errors in their child component tree, log those errors, and display a fallback UI.

When should I use error boundaries?

You should use error boundaries to gracefully handle errors in your component tree, especially in production, to prevent crashes.

Can I use error boundaries for asynchronous code?

No, error boundaries only catch errors in the render phase, lifecycle methods, and constructors. They won't catch errors in asynchronous code.

How do I implement an error boundary?

You can implement an error boundary by creating a class component that defines the static method 'getDerivedStateFromError' and the 'componentDidCatch' lifecycle method.