What is the output of typeof function() {}?
A). function
B). object
C). undefined
D). number
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==
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
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined