X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph.js;h=9d58201aa296de324447f3c26f23b36de69e3134;hb=e03d443c0a280d8303fc608c917ad2563ca154f1;hp=0fc48cef97e2e07b5d2bc553bb362c2afda3af8b;hpb=e5763589f0c999fd3a1747f39de770c0b1f18d15;p=dygraphs.git

diff --git a/dygraph.js b/dygraph.js
index 0fc48ce..9d58201 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);
       }
     }
@@ -1669,7 +1670,7 @@ Dygraph.prototype.findClosestPoint = function(domX, domY) {
   var minDist = Infinity;
   var idx = -1;
   var dist, dx, dy, point, closestPoint, closestSeries;
-  for (var setIdx = 0; setIdx < this.layout_.datasets.length; ++setIdx) {
+  for ( var setIdx = this.layout_.datasets.length - 1 ; setIdx >= 0 ; --setIdx ) {
     var points = this.layout_.points[setIdx];
     for (var i = 0; i < points.length; ++i) {
       var point = points[i];