Q
What will the data type of the variable name be if it is assigned the value 'John Doe'?

Answer & Solution

Answer: Option B
Solution:
The value 'John Doe' is a string of characters, so the data type of the variable name will be String in JavaScript.
Related Questions on Average

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 not a valid JavaScript data type?

A). Integer

B). Object

C). Symbol

D). NaN

Which data type is used to represent a unique identifier in JavaScript?

A). Identifier

B). Key

C). Object

D). Symbol

What will be the output of typeof NaN in JavaScript?

A). String

B). Number

C). NaN

D). Undefined

Which of the following is not a valid JavaScript variable name according to naming conventions?

A). myVariable

B). _myVariable

C). 2ndVariable

D). MyVariable

What is the data type of the value NaN in JavaScript?

A). Null

B). String

C). Number

D). Boolean

Which data type is used to represent a list of elements in JavaScript?

A). List

B). Array

C). Tuple

D). Set

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 null in JavaScript?

A). Object

B). String

C). Null

D). Undefined

What will be the output of typeof {} in JavaScript?

A). Object

B). Null

C). Undefined

D). Boolean