What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
D). Number()
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined
Which method can be used to convert a string to a number in JavaScript?
A). parseInt()
B). toString()
C). toNumber()
D). parseStr()
What is the output of typeof function() {}?
A). function
B). object
C). undefined
D). number