What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the result of null === undefined?
A). 1
B). 0
C). Error
D). NaN
What is the output of typeof function() {}?
A). function
B). object
C). undefined
D). number
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==