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