X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=plugins%2Flegend.js;h=9a7caf9fe15a011217cea9f49dff2433b861a70c;hb=f5715653807af354fe38f25461c79eae620dae3e;hp=f5f471169be5adcf207787e28bf080671116bc9e;hpb=0c5904175568e3ed0bcde8e5578fe31595a03327;p=dygraphs.git

diff --git a/plugins/legend.js b/plugins/legend.js
index f5f4711..9a7caf9 100644
--- a/plugins/legend.js
+++ b/plugins/legend.js
@@ -209,7 +209,10 @@ var generateLegendHTML = function(g, x, sel_points, oneEmWidth) {
   // TODO(danvk): remove this use of a private API
   var xOptView = g.optionsViewForAxis_('x');
   var xvf = xOptView('valueFormatter');
-  html = xvf(x, xOptView, labels[0], g) + ":";
+  html = xvf(x, xOptView, labels[0], g);
+  if(html) {
+  	html += ':';
+  }
 
   var yOptViews = [];
   var num_axes = g.numAxes();