Answer & Solution
Answer: Option A
Solution:
The typeof operator returns 'symbol' for symbol values introduced in ES6.
Q
What does typeof Symbol('id') return?
Related Questions on Average
What does typeof 42 return?
A). number
B). string
C). boolean
D). undefined
What does typeof new Error('message') return?
A). error
B). object
C). function
D). undefined
What does typeof new Float32Array() return?
A). float32array
B). array
C). object
D). undefined
What is the result of typeof new SyntaxError('syntax error')?
A). syntaxerror
B). object
C). function
D). undefined
What is the result of typeof new TypeError('type error')?
A). typeerror
B). object
C). function
D). undefined
What does typeof document return in a web browser environment?
A). document
B). object
C). function
D). undefined
What does typeof { name: 'John' } return?
A). object
B). array
C). function
D). undefined
What is the result of typeof undefined?
A). undefined
B). object
C). string
D). number
What is the result of typeof null?
A). null
B). undefined
C). object
D). number
What does typeof console return in a web browser environment?
A). console
B). object
C). function
D). undefined