ReactJS Quiz Posted on February 2, 2020, updated on March 28, 2020 by goli202084 Welcome to your ReactJS Quiz Name Email 1. What is ReactJS ? A JS Library A JS Framework Both of the above None of the above 2. React is Component based Module based Both of the above None of the above 3. ReactJS covers UI layer in application Business logic in application Data layer in application None of the above 4. React JS uses Virtual DOM to increase performance Shadow DOM to increase performance Both of the above None of the above 5. Number of elements, a valid react component can return 1 2 3 4 6. What's a ReactJS State ? A permanent storage Internal Storage of the component Both of the above None of the above 7. What function allows you to render React content in an HTML page? ReactDOM.start() ReactDOM.render() React.render() React.mount() Please fill in the comment box below.