React Hooks

FREE Introducing React Hooks Questions and Answers

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When do the states initialize in lifecycles?

Mounting

Unmounting

Updating

All of the above

Correct! Wrong!

Which won't force the component to re-render?

Changes in props

Changes in .current of useRef

Changes in dependency array of useEffect

Changes in state

Correct! Wrong!

ReactJS may be incorporated into any current web application.

True

False

Correct! Wrong!

Which one in ReactJS is appropriate for inline style?

None of the above

Correct! Wrong!

Choose which is not an in-build hook.

useState

useRef

useFetch

useEffect

Correct! Wrong!

To create UI elements, ReactJS does not require HTML or any HTML preprocessors.

True

False

Correct! Wrong!

What exactly are Hooks?

Javascript functions

Function components

Class components

Lifecycle methods

Correct! Wrong!