Which of the following is not a valid JavaScript data type?
A). Integer
B). Object
C). Symbol
D). NaN
What will be the output of typeof {} in JavaScript?
A). Object
B). Null
C). Undefined
D). Boolean
Which of the following is not a valid JavaScript variable name according to naming conventions?
A). myVariable
B). _myVariable
C). 2ndVariable
D). MyVariable
Which of the following data types is used to represent a function in JavaScript?
A). Func
B). Function
C). Method
D). Procedure
Which of the following is a valid JavaScript data type for representing text?
A). Text
B). Character
C). String
D). Sentence
What is the data type of the value NaN in JavaScript?
A). Null
B). String
C). Number
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 symbol is used to denote a comment in JavaScript?
A). //
B). --
C). #
D). /* ... */
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