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 is used for string concatenation in JavaScript?
A). -
B). *
C). +
D). /
What does the + operator do when used with two numbers?
A). Concatenates them as strings
B). Adds them
C). Multiplies them
D). Subtracts them
Which of the following operators can be used to compare two values, including type comparison?
A). ==
B). =
C). ===
D). !==
What is the result of '5' - 2?
A). 3
B). 3
C). 03-May
D). NaN
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 of the following is a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
What is the result of 10 % 3 in JavaScript?
A). 0
B). 1
C). 2
D). 3