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 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 symbol is used to denote a comment in JavaScript?
A). //
B). --
C). #
D). /* ... */
What is the data type of the value Infinity in JavaScript?
A). Number
B). String
C). Boolean
D). Null
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
What will be the output of typeof undefined in JavaScript?
A). String
B). Undefined
C). Null
D). Object
What data type is used to represent a collection of key-value pairs in JavaScript?
A). Object
B). Array
C). Map
D). Set
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 true in JavaScript?
A). Boolean
B). String
C). Number
D). Undefined