Codewars: Even or Odd (8 kyu) TDD in JavaScript

Hi! Welcome to Codewars. In this series I gonna solve TDD katas using JavaScript. Let's solve today a kata titled Even or Odd.

Used:

[DarkWzard]

C# its not work :(

public static string EvenOrOdd(int number)
{
string result = "Odd";

result = (number < 0) | (number % 2 == 1) ? "Odd" : "Even";
return result;
}