Which of the following is a valid JavaScript data type for representing text?
A). Text
B). Character
C). String
D). Sentence
Which data type is used to represent a unique identifier in JavaScript?
A). Identifier
B). Key
C). Object
D). Symbol
What will the data type of the variable name be if it is assigned the value 'John Doe'?
A). Number
B). String
C). Boolean
D). Undefined
What is the data type of the value NaN in JavaScript?
A). Null
B). String
C). Number
D). Boolean
What data type is used to represent a collection of key-value pairs in JavaScript?
A). Object
B). Array
C). Map
D). Set
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 the absence of a value in JavaScript?
A). Null
B). Undefined
C). NaN
D). Boolean
What is the data type of the value null in JavaScript?
A). Object
B). String
C). Null
D). Undefined
What is the data type of the value 'null' (as a string) in JavaScript?
A). Object
B). String
C). Null
D). Undefined
Which of the following is not a valid JavaScript data type?
A). Integer
B). Object
C). Symbol
D). NaN