From: Dan Vanderkam <danvk@google.com>
Date: Mon, 17 Sep 2012 20:45:20 +0000 (-0400)
Subject: fix for issue 380 from adilh
X-Git-Tag: v1.0.0~177
X-Git-Url: https://adrianiainlam.tk/git/?a=commitdiff_plain;h=681a215ed5cd859a4dbd43fc24092a5608a6f5e4;p=dygraphs.git

fix for issue 380 from adilh
---

diff --git a/dygraph.js b/dygraph.js
index 0fc48ce..621ea32 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -1536,7 +1536,8 @@ Dygraph.prototype.doUnzoom_ = function() {
       newValueRanges = [];
       for (i = 0; i < this.axes_.length; i++) {
         var axis = this.axes_[i];
-        newValueRanges.push(axis.valueRange !== null ?
+        newValueRanges.push((axis.valueRange !== null &&
+                             axis.valueRange !== undefined) ?
                             axis.valueRange : axis.extremeRange);
       }
     }