What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
What does typeof NaN return?
A). number
B). NaN
C). undefined
D). object
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 '5' - 2?
A). 3
B). 3
C). 03-May
D). NaN
What is the result of 5 === '5'?
A). 1
B). 0
C). 1
D). 0
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
What is the result of true + false?
A). 0
B). 1
C). truefalse
D). NaN
What is the value of the expression null == undefined?
A). 1
B). 0
C). null
D). undefined
Which of the following is not a comparison operator?
A). ==
B). >
C). <=
D). =
What does the typeof operator return for an array?
A). object
B). array
C). list
D). collection