Q
Which of the following is a primitive data type in JavaScript?

Answer & Solution

Answer: Option D
Solution:
Boolean is a primitive data type that represents true or false values.
Related Questions on Average

What will let x = null; console.log(typeof x); output in JavaScript?

A). Object

B). Null

C). Undefined

D). Number

Which data type represents an intentional absence of any value in JavaScript?

A). Null

B). Undefined

C). String

D). Number

Which of these is a complex or reference data type in JavaScript?

A). Number

B). Boolean

C). Object

D). String

Which data type represents a block of reusable code in JavaScript?

A). String

B). Object

C). Function

D). Number

What is the outcome of typeof undefined in JavaScript?

A). String

B). Undefined

C). Null

D). Number

What is the data type of the value undefined in JavaScript?

A). Number

B). Boolean

C). String

D). Undefined

What is the data type of the value 42 in JavaScript?

A). String

B). Boolean

C). Number

D). Null

Which data type represents positive infinity in JavaScript?

A). Infinity

B). Number

C). NaN

D). Null

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 does NaN represent in JavaScript?

A). Not a Number

B). Infinity

C). Positive Infinity

D). Negative Infinity