Q
What does the !! operator do to a value?

Answer & Solution

Answer: Option B
Solution:
The !! operator converts any value to its boolean equivalent by first negating it and then negating the result.
Related Questions on Average

Which of the following is a logical operator in JavaScript?

A). &&

B). ||

C). !

D). All of the above

What is the result of true + false?

A). 0

B). 1

C). truefalse

D). NaN

What is the result of '5' - 2?

A). 3

B). 3

C). 03-May

D). NaN

What is the result of 10 % 3 in JavaScript?

A). 0

B). 1

C). 2

D). 3

Which of the following is not a comparison operator?

A). ==

B). >

C). <=

D). =

What is the output of 10 > 5 && 5 < 2?

A). 1

B). 0

C). 1

D). 0

Which operator would you use to determine the remainder of a division in JavaScript?

A). /

B). %

C). //

D). \

What does the + operator do when used with two numbers?

A). Concatenates them as strings

B). Adds them

C). Multiplies them

D). Subtracts them

What does typeof NaN return?

A). number

B). NaN

C). undefined

D). object

Which operator checks if two values are not equal and also checks for type?

A). !=

B). !==

C). <

D). >