React JS Quiz

React JS Quiz

Professional Development

20 Qs

quiz-placeholder

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React JS Quiz

React JS Quiz

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

RAJANI MS

Used 2+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which operator is used for the ternary condition?*

--

? :

: :

? ?

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will the following code output?

console.log(2 + "2");

22

Error

"22"

4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which method is used to loop through an array?*

forEach()

mapArray()

loop()

repeat()

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which hook is used to manage state in React functional components?*

ReactState()

setState()

useState()

useEffect()

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does CSS stand for?

Creative Styling Sheets

Cascading Style Sheets

Colorful Style Syntax

Computer Style Scripts

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which function is used to render the React app to the DOM?

React.render()

ReactApp()

ReactDOM.createRoot()

ppRender()

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which HTML tag is used to create a hyperlink?

<href>

<a>

<link>

<hyper>

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