Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean
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). !==
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
What is the output of typeof null?
A). null
B). undefined
C). object
D). number
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
D). Number()