What is an error boundary fallback UI?
An example of an AI chatbot conversation about error boundary fallback UIs in React applications.
Can you explain what an error boundary fallback UI is?
An error boundary fallback UI is a React component that catches JavaScript errors in its child component tree and displays a fallback UI instead of crashing the whole app.
How do I implement an error boundary in my React app?
You can create an error boundary by defining a class component that implements the componentDidCatch lifecycle method and the getDerivedStateFromError static method.
What should I include in the fallback UI?
The fallback UI can include a message indicating that something went wrong, and you might also provide a button to retry or go back to a safe state.
Can error boundaries catch errors in asynchronous code?
No, error boundaries only catch errors in the rendering phase, lifecycle methods, and constructors of the whole tree below them. They do not catch errors in asynchronous code.
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