React Synthetic Events MCQ SyntheticEvent Practice Questions

Direction: Choose the correct option

What is a SyntheticEvent in React?

A. A fake event used for testing

B. A cross-browser wrapper around the browser's native event

C. An event that only works in development

D. A React-specific event type

Direction: Choose the correct option

What happens to a SyntheticEvent after the event handler has run?

A. It remains unchanged

B. It is pooled and reused, so properties are nullified

C. It is converted to a native event

D. It is persisted and can be accessed later

Direction: Choose the correct option

How can you access the native event from a SyntheticEvent?

A. event.originalEvent

B. event.nativeEvent

C. event.target

D. event.baseEvent

Direction: Choose the correct option

If you need to access event properties asynchronously, what should you do?

A. Store the event in a variable

B. Use event.nativeEvent

C. Call event.persist()

D. It's not possible

Direction: Choose the correct option

Which of the following is true about SyntheticEvent?

A. It has the same interface as native events, including stopPropagation and preventDefault

B. It cannot be used in functional components

C. It only supports a subset of native events

D. It is slower than native events

Quipoin Menu