What is the value of the expression null == undefined?
A). 1
B). 0
C). null
D). undefined
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 does the typeof operator return for an array?
A). object
B). array
C). list
D). collection
Which of the following is a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above
Which operator checks if two values are not equal and also checks for type?
A). !=
B). !==
C). <
D). >
What does typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the result of '5' - 2?
A). 3
B). 3
C). 03-May
D). NaN
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
What is the result of 5 === '5'?
A). 1
B). 0
C). 1
D). 0