“Error Boundaries” in Information Technology

12 questions across 1 technology.

Information Technology

12 questions in 1 technology

#	Question	Technology	Topic	Level
1	Why does React not catch errors that happen inside event handlers, like an onClick function, using error boundaries? React › Error Boundaries	React	Error Boundaries	Intermediate
2	Where should you place error boundaries in a real React app? React › Error Boundaries	React	Error Boundaries	Beginner
3	What is an error boundary in React and why is it useful? React › Error Boundaries	React	Error Boundaries	Beginner
4	How do you log error details when an error boundary catches an error? React › Error Boundaries	React	Error Boundaries	Intermediate
5	How would you build a reusable error boundary that lets the user retry after an error occurs? React › Error Boundaries	React	Error Boundaries	Advanced
6	Why can only class components be used as error boundaries in React? React › Class Components & Legacy Lifecycle Methods	React	Class Components & Legacy Lifecycle Methods	Intermediate
7	What is a helpful first step when debugging an error message shown in the browser console? React › React DevTools & Debugging	React	React DevTools & Debugging	Beginner
8	What happens if a lazy loaded component is not wrapped inside a Suspense component? React › Code Splitting & Lazy Loading	React	Code Splitting & Lazy Loading	Beginner
9	What is React Testing Library and how does its approach to testing differ from testing internal implementation details? React › Testing	React	Testing	Beginner
10	How do React.lazy and Suspense work together to load a component only when it is needed? React › Code Splitting & Lazy Loading	React	Code Splitting & Lazy Loading	Intermediate
11	What is dangerouslySetInnerHTML and why does its name include the word dangerously? React › Security in React (XSS & dangerouslySetInnerHTML)	React	Security in React (XSS & dangerouslySetInnerHTML)	Intermediate
12	How does Suspense work together with React.lazy to handle loading a component's code? React › Suspense & Concurrent Rendering	React	Suspense & Concurrent Rendering	Intermediate