Answer & Solution
Answer: Option A
Solution:
typeof Symbol('id') returns 'symbol'.
Q
What is the output of typeof Symbol('id') in JavaScript?
Related Questions on Average
How does the instanceof operator behave with primitive values in JavaScript?
A). Throws an error
B). Returns true for all primitive values
C). Returns false for all primitive values
D). Primitive values cannot be used with instanceof
What is the result of typeof NaN in JavaScript?
A). number
B). NaN
C). undefined
D). string
How does JavaScript evaluate typeof 'Hello'?
A). string
B). object
C). undefined
D). null
What will be the output of [] instanceof Array in JavaScript?
A). 1
B). 0
C). null
D). undefined
What will be the output of typeof null in JavaScript?
A). object
B). null
C). undefined
D). string
What will be the output of typeof {} in JavaScript?
A). object
B). array
C). null
D). undefined
What does typeof new Date() evaluate to in JavaScript?
A). date
B). object
C). string
D). null
How does JavaScript evaluate typeof /^regex$/ in JavaScript?
A). regexp
B). object
C). string
D). null
What does the typeof operator return for an undefined variable?
A). undefined
B). number
C). boolean
D). string
What does Number('123') return in JavaScript?
A). 123
B). '123'
C). NaN
D). 1