• Format: Multiple Choice Question
• Questions: 10
• Passing Score: 8/10 or 80%
• Language: English

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n which directory React Components are saved?
*

10 points

Inside js/components/

/usr/bin/js

Inside vendor/components/

Inside vendor/

Which of the following method is true about referring parent class in React.js ?
*

10 points

self()

inherits()

this()

super()

Which of the following function is true about changing the state in React.js ?
*

10 points

this.State{}

this.setState

this.setChangeState

All of the above

In React.js, how we can pass the data from one component to another in React.js ?
*

10 points

SetState

Render with arguments

Props

PropTypes

Which of the following is true regarding Babel ?
*

10 points

Compiler

Transpilar

Both of the above

None of the above

Which of the following is must for the API in React.js ?
*

10 points

SetinitialComponent

renderComponent

render

All of the above

Which of the following is a way to handle data in React.js ?
*

10 points

State & Props

Services & Components

State & Services

State & Component

Which of the following valid component return type of React ?
*

10 points

2

5

3

1

What is the default port number in which the application run ?
*

10 points

80

443

3000

3669

Which of the following command is used to create react-js-app ?
*

10 points

npx create-react-app appname

npm install create-react-app

npx install create-react-app -g

install – l create-react-app