What will typeof NaN return?

What is the data type of true in JavaScript?

A). String

B). Boolean

C). Number

D). Object

What is the result of typeof undefined?

A). undefined

B). null

C). object

D). number

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

Which operator checks both value and type for equality in JavaScript?

A). ==

B). !=

C). ===

D). !==

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

What is the result of typeof Symbol('id')?

A). symbol

B). object

C). string

D). undefined

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

Which of the following is not a primitive data type in JavaScript?

A). String

B). Number

C). Object

D). Boolean

What is the result of null === undefined?

A). 1

B). 0

C). Error

D). NaN