Which of the following data types is used to represent a function in JavaScript?
A). Func
B). Function
C). Method
D). Procedure
What will be the output of typeof NaN in JavaScript?
A). String
B). Number
C). NaN
D). Undefined
What is the data type of the value NaN in JavaScript?
A). Null
B). String
C). Number
D). Boolean
What will be the output of typeof undefined in JavaScript?
A). String
B). Undefined
C). Null
D). Object
Which data type is used to represent the absence of a value in JavaScript?
A). Null
B). Undefined
C). NaN
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 data type is used to represent a collection of key-value pairs in JavaScript?
A). Object
B). Array
C). Map
D). Set
What is the data type of the value Infinity in JavaScript?
A). Number
B). String
C). Boolean
D). Null
What is the data type of the value null in JavaScript?
A). Object
B). String
C). Null
D). Undefined