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 undefined in JavaScript?

A). undefined

B). string

C). null

D). object

What does typeof window.evaluate evaluate to in JavaScript?

A). function

B). object

C). string

D). undefined

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

A). 123

B). '123'

C). NaN

D). 1

What does typeof true evaluate to in JavaScript?

A). boolean

B). number

C). string

D). undefined

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

A). symbol

B). object

C). string

D). null

What will be the output of typeof null in JavaScript?

A). object

B). null

C). undefined

D). string

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 is the result of Boolean('false') in JavaScript?

A). 1

B). 0

C). NaN

D). null

How does the instanceof operator work in JavaScript?

A). Checks if an object has a specific prototype in its prototype chain.

B). Checks if two variables are of the same type.

C). Checks if a variable is null.

D). Checks if a variable is undefined.