From 493fa3989ecfb77403b9e70d05a49e40f7b8791c Mon Sep 17 00:00:00 2001
From: Sergey Koshelev <sergey@adagio.com>
Date: Mon, 31 Aug 2020 15:47:55 -0400
Subject: [PATCH] Typo fixed

---
 vector3d.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vector3d.js b/vector3d.js
index 903ce63..08ddce6 100644
--- a/vector3d.js
+++ b/vector3d.js
@@ -37,7 +37,7 @@ class Vector3d {
      *   const v = new Vector3d(0.267, 0.535, 0.802);
      */
     constructor(x, y, z) {
-        if (isNaN(x) || isNaN(x) || isNaN(x)) throw new TypeError(`invalid vector [${x},${y},${z}]`);
+        if (isNaN(x) || isNaN(y) || isNaN(z)) throw new TypeError(`invalid vector [${x},${y},${z}]`);
 
         this.x = Number(x);
         this.y = Number(y);