Q
Which of the following data types is used to represent a function in JavaScript?

Answer & Solution

Answer: Option B
Solution:
The Function data type in JavaScript is used to represent functions, which are essentially reusable blocks of code.
Related Questions on Average

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 of the following is not a valid JavaScript data type?

A). Integer

B). Object

C). Symbol

D). NaN

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

A). Null

B). String

C). Number

D). Boolean

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

A). Object

B). Null

C). Undefined

D). Boolean

Which data type is used to represent the absence of a value in JavaScript?

A). Null

B). Undefined

C). NaN

D). Boolean

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 NaN in JavaScript?

A). String

B). Number

C). NaN

D). Undefined

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

A). Boolean

B). String

C). Number

D). Undefined

What will be the output of typeof undefined in JavaScript?

A). String

B). Undefined

C). Null

D). Object

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

A). myVariable

B). _myVariable

C). 2ndVariable

D). MyVariable