Answer & Solution
Answer: Option C
Solution:
The value 42 is a number in JavaScript.
Q
What is the data type of the value 42 in JavaScript?
Related Questions on Average
Which of the following is not a valid data type in JavaScript?
A). Array
B). Symbol
C). Map
D). Tuple
Which data type represents a block of reusable code in JavaScript?
A). String
B). Object
C). Function
D). Number
What will the following code snippet output: let a = 10; a += '5'; console.log(a); in JavaScript?
A). '105'
B). 105
C). 15
D). '15'
What will let x = null; console.log(typeof x); output in JavaScript?
A). Object
B). Null
C). Undefined
D). Number
What is the data type of the value undefined in JavaScript?
A). Number
B). Boolean
C). String
D). Undefined
What does NaN represent in JavaScript?
A). Not a Number
B). Infinity
C). Positive Infinity
D). Negative Infinity
What is the data type of the value 'null' (with quotes) in JavaScript?
A). String
B). Number
C). Null
D). Undefined
What will let x = '10'; let y = x - 5; console.log(y); output in JavaScript?
A). '5'
B). 5
C). '10'
D). 10
What is the data type of the value true in JavaScript?
A). Number
B). String
C). Boolean
D). Undefined
What is the result of 0 / 0 in JavaScript?
A). Infinity
B). 0
C). NaN
D). 1