From 2b2177280cb239e72223f88fe29e9bc2fab88461 Mon Sep 17 00:00:00 2001
From: "Damien Buhl (alias daminetreg)" <damien.buhl@lecbna.org>
Date: Fri, 12 Apr 2013 10:10:16 +0200
Subject: [PATCH] BUG FIX: Changed check to undefined with === as proposed by
 jslint.

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

diff --git a/dygraph.js b/dygraph.js
index bcf25e0..70f0dc0 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -2736,7 +2736,7 @@ Dygraph.prototype.computeYAxisRanges_ = function(extremes) {
         p_axis = axis;
     }
   }
-  if(p_axis == undefined)
+  if(p_axis === undefined)
     throw ("Configuration Error: At least one axis has to have the \"independentTicks\" option activated.");
   // Add ticks. By default, all axes inherit the tick positions of the
   // primary axis. However, if an axis is specifically marked as having
-- 
2.7.4