Introducing React Hooks

Question 1

What exactly are Hooks?

Accepted Answer

Javascript functions

Answer

Function components

Answer

Class components

Answer

Lifecycle methods

Question 2

Choose which is not an in-build hook.

Accepted Answer

useFetch

Answer

useState

Answer

useRef

Answer

useEffect

Question 3

When do the states initialize in lifecycles?

Accepted Answer

Mounting

Answer

Unmounting

Answer

Updating

Answer

All of the above

Question 4

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

Accepted Answer

Changes in .current of useRef

Answer

Changes in props

Answer

Changes in dependency array of useEffect

Answer

Changes in state

Question 5

ReactJS may be incorporated into any current web application.

Accepted Answer

True

Answer

False

Question 6

Which one in ReactJS is appropriate for inline style?

Accepted Answer

Answer

None of the above

Question 7

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

Accepted Answer

False

Answer

True