What does typeof NaN return?
A). number
B). NaN
C). undefined
D). object
Which operator is used to assign a value to a variable in JavaScript?
A). =
B). ==
C). ===
D). =>
What is the result of the expression 5 + '5'?
A). 10
B). 55
C). 55
D). NaN
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 output of 10 > 5 && 5 < 2?
A). 1
B). 0
C). 1
D). 0
What is the result of 5 === '5'?
A). 1
B). 0
C). 1
D). 0
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \