Suspense
Suspense Interview Questions
2 curated suspense interview questions with detailed answers and examples.
← Browse all interview questionsReact.lazy wraps a dynamic import() so the component code is fetched only when first rendered, not included in the initial bundle. Suspense shows a fallback during the load. Always pair with an ErrorBoundary to handle chunk load failures. React.lazy requires default exports.
intermediateperformance optimizationreactlazy loadingperformance
React.lazy wraps a dynamic import() to split a component into its own chunk. Suspense catches the pending state and renders a fallback. Pair with an ErrorBoundary for chunk load failures. React.lazy requires default exports — adapt named exports with a .then() wrapper.
advancedperformance optimizationreactreact lazysuspense