What is the output of typeof function() {}?

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()