ReactJS MCQ

ReactJS Core Concepts MCQ

ReactJS Core Concepts MCQ

Online Tests

Related Content

ReactJS Tutorial

ReactJS MCQ Set 1

  1. React is a ________

    A.

    B.

    C.

    D.

  2. ReactJS covers _________

    A.

    B.

    C.

    D.

  3.  ReactJS uses _____ to increase performance

    A.

    B.

    C.

    D.

  4. React is _______

    A.

    B.

    C.

    D.

  5.  Consider following example

    var Helloword=(props)=>
    {
     return(
     <div>
     hello world 1
     </div>
     <div>
     Hello world 2
     </div>
     );
    }
    ReactDOM.render(<Helloworld/>,mountNode)
    

    What will be the output

    A.

    B.

    C.

    D.

  6. Number of elements, a valid react component can return 

    A.

    B.

    C.

    D.

  7. State in react is________

    A.

    B.

    C.

    D.

  8. props in react can________

    A.

    B.

    C.

    D.

  9. In ReactJS, props can be used to pass

    A.

    B.

    C.

    D.


Please Share this page
Like every other website we use cookies. By using our site you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Learn more Got it!