React Online Quiz | Practice and Mock Test

Test your coding prowess in our Ultimate Programming React Online Quiz with Total 11 Questions.

Whether you're a seasoned developer or just dipping your toes into the programming world, challenge yourself with a range of questions spanning languages like Python, Java, and more.

Are you ready to conquer the coding conundrums? Put on your thinking hat and dive into the quiz now!

Name

Email

1.

Which of the following method is not a part of ReactDOM?

ReactDOM.hydrate()

ReactDOM.createPortal()

ReactDOM.destroy()

All the above

2.

Which of the following is used to pass data to a component from outside in React?

PropTypes

render with arguments

props

setState

3.

How many elements can a valid react component return?

More than 1 element

1 Element

React doesn’t return element

None

4.

Which command is used to create the new react app?

npx create-react-app my-app

npx create-new-react-app my-app

npx create-react-app -g my-app

None of these

5.

What will be the output of the following Program ?

import React, { Component } from 'react';  
const App = () => {     
      return(  
  
            {25+20}  
         
      );   
}  
export default App;