faisaljama

## xor.js
// Using a ternary operator. Implement an exclusive OR function called `preferredName` that has the following interface:

var FirstName,
    LastName;

preferredName(FirstName, LastName);
// -> false

FirstName = 'Hank';
	// Using a ternary operator. Implement an exclusive OR function called `preferredName` that has the following interface:

	var FirstName,
	LastName;

	preferredName(FirstName, LastName);
	// -> false

	FirstName = 'Hank';