Q
What is the data type of true in JavaScript?

Answer & Solution

Answer: Option B
Solution:
The value true is a boolean value, so its data type is Boolean.
Related Questions on Average

What will typeof [1, 2, 3] return?

A). array

B). object

C). number

D). list

Which function can convert a number to a string in JavaScript?

A). toString()

B). parseInt()

C). String()

D). Number()

How do you declare a variable with an undefined value?

A). let x;

B). let x = '';

C). let x = 0;

D). let x = null;

What is the result of typeof Symbol('id')?

A). symbol

B). object

C). string

D). undefined

What will typeof NaN return?

A). number

B). NaN

C). undefined

D). object

What is the output of '5' - 3?

A). 2

B). 2

C). 53

D). Error

What is the result of null == undefined?

A). 1

B). 0

C). Error

D). NaN

What is the data type of an array in JavaScript?

A). Array

B). Object

C). Collection

D). List

What is the output of '5' + 3?

A). 8

B). 53

C). 8

D). Error

Which of the following is not a primitive data type in JavaScript?

A). String

B). Number

C). Object

D). Boolean