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
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 null 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
Which data type is used to represent a list of elements in JavaScript?
A). List
B). Array
C). Tuple
D). Set
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 Infinity in JavaScript?
A). Number
B). String
C). Boolean
D). Null
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 is not a valid JavaScript variable name according to naming conventions?
A). myVariable
B). _myVariable
C). 2ndVariable
D). MyVariable
What data type is used to represent a collection of key-value pairs in JavaScript?
A). Object
B). Array
C). Map
D). Set