Which of the following is not a valid JavaScript data type?
A). Integer
B). Object
C). Symbol
D). NaN
What is the data type of the value Infinity in JavaScript?
A). Number
B). String
C). Boolean
D). Null
What will be the output of typeof NaN in JavaScript?
A). String
B). Number
C). NaN
D). Undefined
Which data type is used to represent a unique identifier in JavaScript?
A). Identifier
B). Key
C). Object
D). Symbol
Which symbol is used to denote a comment in JavaScript?
A). //
B). --
C). #
D). /* ... */
Which data type is used to represent the absence of a value in JavaScript?
A). Null
B). Undefined
C). NaN
D). Boolean
What will be the data type of the result when dividing a number by zero in JavaScript?
A). Infinity
B). NaN
C). Undefined
D). Null
Which of the following is not a valid JavaScript variable name according to naming conventions?
A). myVariable
B). _myVariable
C). 2ndVariable
D). MyVariable
Which data type is used to represent a list of elements in JavaScript?
A). List
B). Array
C). Tuple
D). Set
Which of the following is a valid JavaScript data type for representing text?
A). Text
B). Character
C). String
D). Sentence