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

Answer & Solution

Answer: Option A
Solution:
typeof Symbol('id') returns 'symbol'.
Related Questions on Average

How does the typeof operator handle arrays in JavaScript?

A). array

B). object

C). undefined

D). null

What will be the output of typeof null in JavaScript?

A). object

B). null

C). undefined

D). string

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

A). function

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 typeof undefined in JavaScript?

A). undefined

B). string

C). null

D). object

What does typeof Math evaluate to in JavaScript?

A). math

B). object

C). number

D). undefined

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.

What does typeof new Date() evaluate to in JavaScript?

A). date

B). object

C). string

D). null

What is the result of typeof NaN in JavaScript?

A). number

B). NaN

C). undefined

D). string

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

A). 1

B). 0

C). null

D). undefined