What is the data type of an array in JavaScript?

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

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 output of '5' + 3?

A). 8

B). 53

C). 8

D). Error

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

A). toString()

B). parseInt()

C). String()

D). Number()

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). {}

What is the result of null === undefined?

A). 1

B). 0

C). Error

D). NaN

What is the data type of 42 in JavaScript?

A). String

B). Boolean

C). Number

D). Object

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

A). parseInt()

B). toString()

C). toNumber()

D). parseStr()