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 Infinity in JavaScript?
A). Number
B). String
C). Boolean
D). Null
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 NaN in JavaScript?
A). Null
B). String
C). Number
D). Boolean
What is the data type of the value null in JavaScript?
A). Object
B). String
C). Null
D). Undefined
What will the data type of the variable name be if it is assigned the value 'John Doe'?
A). Number
B). String
C). Boolean
D). Undefined
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 NaN in JavaScript?
A). String
B). Number
C). NaN
D). Undefined