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 output of typeof undefined in JavaScript?
A). String
B). Undefined
C). Null
D). Object
What is the data type of the value null in JavaScript?
A). Object
B). String
C). Null
D). Undefined
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
What is the data type of the value NaN in JavaScript?
A). Null
B). String
C). Number
D). Boolean
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 is the data type of the value 'null' (as a string) in JavaScript?
A). Object
B). String
C). Null
D). Undefined
Which data type is used to represent a unique identifier in JavaScript?
A). Identifier
B). Key
C). Object
D). Symbol
What is the data type of the value true in JavaScript?
A). Boolean
B). String
C). Number
D). Undefined