React Quiz

Everything in React is a ______________.

• Module

• Package

• Component

• Class

How many elements does a react component return?

• 1 Element

• Multiple Element

• 2 Elements

• None of the above

What is ReactJS?

• It is a server-side framework.

• A library for building interactive interfaces.

• User-interface framework

• None of the above

ReactJS uses _________ to increase performance.

• Virtual DOM

• Original Dom

• Both A and B

• None of the above

Keys are given to a list of elements in react. These keys should be __________.

• Unique in the DOM

• Unique among the siblings only

• Do not requires to be unique

• All of the above

Who develop ReactJS?

• Google

• Facebook

• Apple

• Twitter

What are the two ways data gets handled in react?

• state & props

• state & services

• services & components

• state & component

Which of these are not type of react components?

• Functional component

• Class components

• Both A and B

• useState

Which code is correct to update this state value to "mango"?

const [fruit, setFruit] = useState("apple");

• 
  setFruits("mango");

• setFruit("mango");

• setFruits(fruit:"mango");

• 
  fruit=mango;

React is a _______________.

• JavaScript framework

• JSX framework

• JavaScript library

• JSX Library