Answer & Solution
Answer: Option C
Solution:
The typeof operator in JavaScript returns 'symbol' when applied to the Symbol data type, introduced in ECMAScript 6.
Q
What does the expression typeof Symbol() return in JavaScript?
Related Questions on Average
Which primitive data type represents unique identifiers introduced in ECMAScript 6?
A). Number
B). Symbol
C). Boolean
D). Undefined
What is the purpose of the Null data type in JavaScript?
A). To represent numeric values
B). To represent an intentional absence of value
C). To represent textual data
D). To represent logical values
What does the expression typeof null return in JavaScript?
A). number
B). string
C). object
D). boolean
What does the expression typeof 42 return in JavaScript?
A). number
B). string
C). undefined
D). boolean
What is the result of the expression typeof 'Hello' in JavaScript?
A). number
B). string
C). undefined
D). boolean
Which primitive data type represents variables that have been explicitly set to represent no value?
A). Number
B). String
C). Undefined
D). Null
Which data type represents variables that have been explicitly set to have no value?
A). Number
B). Undefined
C). String
D). Null
What is the result of the expression typeof undefined in JavaScript?
A). number
B). string
C). undefined
D). boolean
Which primitive data type in JavaScript represents integers and floating-point numbers?
A). Number
B). String
C). Boolean
D). Undefined
Which primitive data type represents variables that are declared but not initialized?
A). Number
B). String
C). Undefined
D). Null