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QUIZ ON : react - INTRODUCTION
INTRODUCTION
00:00:00
English
Hindi
Question No# :
01
out of 14
In which language is React.js written?
In which language is React.js written?
A.
Python
Python
B.
JavaScript
JavaScript
C.
Java
Java
D.
PHP
PHP
Question No# :
02
out of 14
What is ReactJS?
What is ReactJS?
A.
Server-Side Framework
Server-Side Framework
B.
user interface Framework
user interface Framework
C.
both a and b
both a and b
D.
None of the above
None of the above
Question No# :
03
out of 14
Which of the following is not a disadvantage of React.js?
Which of the following is not a disadvantage of React.js?
A.
The learning curve can be steep in React.js
The learning curve can be steep in React.js
B.
The JSX in React.js makes code easy to read and write
The JSX in React.js makes code easy to read and write
C.
The library of React.js is pretty large
The library of React.js is pretty large
D.
React.js has only a view layer. We have put your code for Ajax requests, events and so on
React.js has only a view layer. We have put your code for Ajax requests, events and so on
Question No# :
04
out of 14
Identify the command used to create a react app.
Identify the command used to create a react app.
A.
npm install create-react-app
npm install create-react-app
B.
npm install -g create-react-app
npm install -g create-react-app
C.
install g create-react-app
install g create-react-app
D.
None of the above
None of the above
Question No# :
05
out of 14
Who Develop React.js?
Who Develop React.js?
A.
Google
Google
B.
Facebook
Facebook
C.
Apple
Apple
D.
HCL
HCL
Question No# :
06
out of 14
React is a ___________
React is a ___________
A.
JavaScript framework
JavaScript framework
B.
JavaScript library
JavaScript library
C.
both a and b
both a and b
D.
none of the above
none of the above
Question No# :
07
out of 14
Who created React.js?
Who created React.js?
A.
Jordan Mike
Jordan Mike
B.
Jordan Walke
Jordan Walke
C.
Tim Lee
Tim Lee
D.
Jordan Lee
Jordan Lee
Question No# :
08
out of 14
React Js is ______based architecture approach
React Js is ______based architecture approach
A.
Module
Module
B.
Component
Component
C.
Package
Package
D.
Class
Class
Question No# :
09
out of 14
Why React is faster then normal websites?
Why React is faster then normal websites?
A.
It uses Original DOM
It uses Original DOM
B.
It uses Virtual DOM
It uses Virtual DOM
C.
It does not use any DOM
It does not use any DOM
D.
None of the above
None of the above
Question No# :
10
out of 14
What is ReactJS mainly used for building?
What is ReactJS mainly used for building?
A.
Database
Database
B.
Connectivity
Connectivity
C.
User interface
User interface
D.
Design platform
Design platform
Question No# :
11
out of 14
Identify the smallest building block of React.JS.
Identify the smallest building block of React.JS.
A.
Props
Props
B.
Elements
Elements
C.
Components
Components
D.
None of the above
None of the above
Question No# :
12
out of 14
Which is not true about Virtual DOM in React JS?
Which is not true about Virtual DOM in React JS?
A.
Can not direclty update HTML
Can not direclty update HTML
B.
It updates faster
It updates faster
C.
DOM manipulation is very easy
DOM manipulation is very easy
D.
To Much memory wastage
To Much memory wastage
Question No# :
13
out of 14
Which of the following are the advantages of React.js?
Which of the following are the advantages of React.js?
A.
React.js is easy to integrate with other frameworks such as Angular, Backbone JS since it is only a view library
React.js is easy to integrate with other frameworks such as Angular, Backbone JS since it is only a view library
B.
React.js can render both on client and server side
React.js can render both on client and server side
C.
React.js can increase the application’s performance with Virtual DOM
React.js can increase the application’s performance with Virtual DOM
D.
All of the above
All of the above
Question No# :
14
out of 14
How many stages are there in React js life cycle
How many stages are there in React js life cycle
A.
1
1
B.
2
2
C.
3
3
D.
0
0
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