Which of the following is a valid JavaScript data type for representing text?
A). Text
B). Character
C). String
D). Sentence
What will be the output of typeof {} in JavaScript?
A). Object
B). Null
C). Undefined
D). Boolean
What will be the output of typeof undefined in JavaScript?
A). String
B). Undefined
C). Null
D). Object
What is the data type of the value true in JavaScript?
A). Boolean
B). String
C). Number
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). /* ... */
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
What is the data type of the value NaN in JavaScript?
A). Null
B). String
C). Number
D). Boolean
Which of the following is not a valid JavaScript data type?
A). Integer
B). Object
C). Symbol
D). NaN