What is the result of null === undefined?

What is the output of typeof null?

A). null

B). undefined

C). object

D). number

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

Which method can be used to convert a string to a number in JavaScript?

A). parseInt()

B). toString()

C). toNumber()

D). parseStr()

What will typeof [1, 2, 3] return?

A). array

B). object

C). number

D). list

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

A). String

B). Number

C). Object

D). Boolean

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

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). !==

What is the result of typeof undefined?

A). undefined

B). null

C). object

D). number

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

A). symbol

B). object

C). string

D). undefined