What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the data type of 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Object
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
D). Number()
What is the result of null === undefined?
A). 1
B). 0
C). Error
D). NaN
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==