Which of the following is the purpose of this line of code?

You work as a developer at ABC.com. The ABC.com network consists of a single domain named
ABC.com.
You have been instructed to test the value of the variable shown below:
var length = “50”;
You then write the following code:
if (length === 50)
Which of the following is the purpose of this line of code?

A.
It prevents a block of code from firing if the length equals 50, and the data type is integer.

B.
It prevents a block of code from firing if the length equals 50, and the data type is string.

C.
It allows for a block of code to fire if the length equals 50 regardless of the data type.

D.
It allows a block of code from firing if the length equals 50 depending on the data type.

Explanation: