Answer & Solution
Answer: Option C
Solution:
The value 42 is a numeric value, so its data type is Number.
Q
What is the data type of 42 in JavaScript?
Related Questions on Average
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
What is the output of typeof null?
A). null
B). undefined
C). object
D). number
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
D). Number()
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
Which method can be used to convert a string to a number in JavaScript?
A). parseInt()
B). toString()
C). toNumber()
D). parseStr()
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
What is the result of null === undefined?
A). 1
B). 0
C). Error
D). NaN
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}