Q
How does the instanceof operator behave with primitive values in JavaScript?

Answer & Solution

Answer: Option C
Solution:
The instanceof operator returns false for all primitive values because they are not objects.
Related Questions on Average

What is the result of typeof NaN in JavaScript?

A). number

B). NaN

C). undefined

D). string

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

A). function

B). object

C). undefined

D). null

What does the typeof operator return for an undefined variable?

A). undefined

B). number

C). boolean

D). string

What does typeof Math evaluate to in JavaScript?

A). math

B). object

C). number

D). undefined

What will be the output of [] instanceof Array in JavaScript?

A). 1

B). 0

C). null

D). undefined

What is the result of typeof undefined in JavaScript?

A). undefined

B). string

C). null

D). object

What will be the output of typeof {} in JavaScript?

A). object

B). array

C). null

D). undefined

What is the output of typeof Symbol('id') in JavaScript?

A). symbol

B). object

C). string

D). null

What does Number('123') return in JavaScript?

A). 123

B). '123'

C). NaN

D). 1

How does JavaScript evaluate typeof 'Hello'?

A). string

B). object

C). undefined

D). null