Answer & Solution
Answer: Option A
Solution:
In JavaScript, NaN is considered a number type, so typeof NaN returns 'number'.
Q
What does typeof NaN return?
Related Questions on Average
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
Which operator checks if two values are not equal and also checks for type?
A). !=
B). !==
C). <
D). >
Which operator is used to assign a value to a variable in JavaScript?
A). =
B). ==
C). ===
D). =>
Which operator is used for string concatenation in JavaScript?
A). -
B). *
C). +
D). /
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 operators can be used to compare two values, including type comparison?
A). ==
B). =
C). ===
D). !==
What does the typeof operator return for an array?
A). object
B). array
C). list
D). collection
Which of the following is not a comparison operator?
A). ==
B). >
C). <=
D). =