Q
What is the data type of the value NaN in JavaScript?

Answer & Solution

Answer: Option C
Solution:
The value NaN stands for 'Not a Number' and is a specific numeric value in JavaScript. Its data type is Number, although it represents an invalid or undefined numeric value.
Related Questions on Average

What will be the output of typeof {} in JavaScript?

A). Object

B). Null

C). Undefined

D). Boolean

What will be the output of typeof undefined in JavaScript?

A). String

B). Undefined

C). Null

D). Object

Which of the following data types is used to represent a function in JavaScript?

A). Func

B). Function

C). Method

D). Procedure

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

A). Object

B). String

C). Null

D). Undefined

What will be the data type of the result when dividing a number by zero in JavaScript?

A). Infinity

B). NaN

C). Undefined

D). Null

Which of the following is a valid JavaScript data type for representing text?

A). Text

B). Character

C). String

D). Sentence

Which of the following is not a valid JavaScript data type?

A). Integer

B). Object

C). Symbol

D). NaN

Which of the following is not a valid JavaScript variable name according to naming conventions?

A). myVariable

B). _myVariable

C). 2ndVariable

D). MyVariable

What data type is used to represent a collection of key-value pairs in JavaScript?

A). Object

B). Array

C). Map

D). Set

What will the data type of the variable name be if it is assigned the value 'John Doe'?

A). Number

B). String

C). Boolean

D). Undefined