useState() is called as _

React & JS

Quiz
•
Computers
•
University
•
Medium
Raja SK
Used 3+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
React Hook
React Object
React Array
None of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
const [count, setCount] = useState(20)
What is the value of count?
0
20
2
undefined
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
const [count, setCount] = useState()
What is the value of count?
0
20
undefined
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The function passed as an argument to higher order function is called
Callback function
React hooks
Asynchronous function
None of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Triple dot operator (...) is called as
Spread operator
Rest operator
Both Spread and Rest operator
No such operator exist
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Promise in JS can be handled using
.then().catch()
Arrays
Objects
Functions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
React hooks are basically
Functions
Objects
Arrays
None of the above
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