Quiz-12 Full Stack Java

Which of the following is correct about prop in react?

• Can be changed inside another component

• Can be changed inside the component

• Cannot be changed in the component

• All of the mentioned

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

• props

• render with arguments

• setState

• PropTypes

Which of the following is true regarding Babel ?

• Cross

• Compiler

• Transpilar

• Both of the above

Which of the following is used to render components in web pages ?

• DOM_render()

• render()

• ReactDOM_render()

• transfer()

What is the best definition of React.js ?

• Cross Server-side Framework

• User-interface framework

• A Library for building interaction interfaces

• None of These

What command is used to start the React local development server?

• npm start

• npm run dev

• npm build

• npm serve

Which ReactJS function renders HTML to the web page?

• render()

• ReactDOM.render()

• renders()

• ReactDOM.renders()

JSX allows us to write _____.

• jQuery in React

• Angular Code in React

• MySQL in React

• HTML in React

A class component must include the _______ statement.

• extends React.Component

• extends React

• extends Component

• extends React.Component.All

What is the correct syntax to write expression in JSX?

• [ expression ]

•   { expression }

• {{ expression }}

•   _expression