From b27f7375ea58d23c5b615f8be56c2112aa6ec348 Mon Sep 17 00:00:00 2001
From: Joshua Burke <burke.joshua.james@gmail.com>
Date: Thu, 19 Aug 2021 18:17:55 -0400
Subject: [PATCH] =?UTF-8?q?=F0=9F=A6=84=20Add=20Zero,=20as=20it=20is=20an?=
 =?UTF-8?q?=20even=20number?=
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The parity of zero is even. See the following references to confirm.
- https://en.wikipedia.org/wiki/Parity_of_zero

"This can be verified based on the definition of 'even': it is an
integer multiple of 2, specifically 0 × 2. As a result, zero shares all
the properties that characterize even numbers"
---
 index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.js b/index.js
index 48a1595..e9596f9 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 function isEven(number) {
     if (number === "even" || number === "Even" || number === "eVen" || number === "evEn" || number === "eveN" || number === "EVen" || number === "EvEn" || number === "EveN" || number === "eVEn" || number === "eVeN" || number == "evEN" || number === "eVEN" || number === "EvEN" || number === "EVeN" || number === "EVEn" || number === "EVEN") return true;
+    else if(number === 0 || number === "0" || number === "zero" || number === "Zero" || number === "ZERO") return true;
     else if(number === 1 || number === "1" || number === "one" || number === "One" || number === "ONE") return false;
     else if(number === 2 || number === "2" || number === "two" || number === "Two" || number === "TWO") return true;
     else if(number === 3 || number === "3" || number === "three" || number === "Three" || number === "THREE") return false;