
React JS Quiz
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Medium
RAJANI MS
Used 2+ times
FREE Resource
Enhance your content in a minute
20 questions
Show all answers
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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