Q
Which primitive data type represents variables that have been explicitly set to represent no value?

Answer & Solution

Answer: Option D
Solution:
The Null data type in JavaScript represents variables that have been explicitly set to represent no value or absence of value.
Related Questions on Average

Which data type represents variables that have been explicitly set to have no value?

A). Number

B). Undefined

C). String

D). Null

Which of the following statements accurately describes the Boolean data type in JavaScript?

A). It represents textual data

B). It represents numeric data

C). It represents logical values

D). It represents an absence of value

Which primitive data type represents unique identifiers introduced in ECMAScript 6?

A). Number

B). Symbol

C). Boolean

D). Undefined

What does the expression typeof true return in JavaScript?

A). number

B). string

C). boolean

D). undefined

Which of the following statements accurately describes the Boolean data type in JavaScript?

A). It represents textual data

B). It represents numeric data

C). It represents logical values

D). It represents an absence of value

How is the Symbol data type different from other primitive data types in JavaScript?

A). Symbols can be used as object keys

B). Symbols can be compared directly

C). Symbols can be used in mathematical operations

D). Symbols can be concatenated with strings

What does the expression typeof null return in JavaScript?

A). number

B). string

C). object

D). boolean

Which data type is represented by the value null in JavaScript?

A). Numeric data

B). Textual data

C). Absence of value

D). Logical value

What does the expression typeof '123' return in JavaScript?

A). number

B). string

C). undefined

D). boolean

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A). Textual data

B). Numeric data

C). Logical values

D). Absence of value