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

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

A). array

B). object

C). number

D). list

Which symbol is used to denote a string template literal?

A). ''

B).

C). ``

D). {}

What is the data type of true 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()

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

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

A). function

B). object

C). undefined

D). number

What will typeof NaN return?

A). number

B). NaN

C). undefined

D). object

What is the output of typeof null?

A). null

B). undefined

C). object

D). number