Q
What does typeof NaN return?

Answer & Solution

Answer: Option A
Solution:
In JavaScript, NaN is considered a number type, so typeof NaN returns 'number'.
Related Questions on Average

What is the result of the expression 3 * '3'?

A). 9

B). 9

C). 33

D). NaN

What is the value of the expression null == undefined?

A). 1

B). 0

C). null

D). undefined

Which of the following operators can be used to compare two values, including type comparison?

A). ==

B). =

C). ===

D). !==

Which operator checks if two values are not equal and also checks for type?

A). !=

B). !==

C). <

D). >

What is the result of true + false?

A). 0

B). 1

C). truefalse

D). NaN

What is the result of '5' - 2?

A). 3

B). 3

C). 03-May

D). NaN

What does the + operator do when used with two numbers?

A). Concatenates them as strings

B). Adds them

C). Multiplies them

D). Subtracts them

What is the result of the expression 5 + '5'?

A). 10

B). 55

C). 55

D). NaN

Which of the following is a logical operator in JavaScript?

A). &&

B). ||

C). !

D). All of the above

What is the result of 10 % 3 in JavaScript?

A). 0

B). 1

C). 2

D). 3