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

Answer & Solution

Answer: Option A
Solution:
[] instanceof Array returns true.
Related Questions on Average

What does typeof Math evaluate to in JavaScript?

A). math

B). object

C). number

D). undefined

What does typeof true evaluate to in JavaScript?

A). boolean

B). number

C). string

D). undefined

How does JavaScript evaluate Boolean(0)?

A). 1

B). 0

C). null

D). undefined

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 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

How does the typeof operator handle arrays in JavaScript?

A). array

B). object

C). undefined

D). null

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

A). 123

B). '123'

C). NaN

D). 1

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

A). 1

B). 0

C). NaN

D). null