What is the result of null === undefined?

What is the data type of true in JavaScript?

A). String

B). Boolean

C). Number

D). Object

Which function can convert a number to a string in JavaScript?

A). toString()

B). parseInt()

C). String()

D). Number()

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

A). ==

B). !=

C). ===

D). !==

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

A). function

B). object

C). undefined

D). number

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

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

A). symbol

B). object

C). string

D). undefined

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

A). array

B). object

C). number

D). list

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 data type of 42 in JavaScript?

A). String

B). Boolean

C). Number

D). Object