X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=extras%2Fsynchronizer.js;h=f39209be2c4723375976f5b76cb87eb00a8abb06;hb=12a4344926f6c51212450323d8cd43a9cf5f49ad;hp=1b27bc298458e22d85b3910eb0e126dfce65dbde;hpb=1ca560d23f2cfe9dd70b5e7f97d3470cbf11f5b4;p=dygraphs.git

diff --git a/extras/synchronizer.js b/extras/synchronizer.js
index 1b27bc2..f39209b 100644
--- a/extras/synchronizer.js
+++ b/extras/synchronizer.js
@@ -165,7 +165,9 @@ function attachSelectionHandlers(gs, prevCallbacks) {
     prevCallbacks.unhighlight = g.getFunctionOption('unhighlightCallback');
     g.updateOptions({
       highlightCallback: function(event, x, points, row, seriesName) {
-        if (prevCallbacks.highlight) prevCallbacks.highlight(event, x, points, row, seriesName);
+        if (prevCallbacks.highlight) {
+            prevCallbacks.highlight(event, x, points, row, seriesName);
+        }
         if (block) return;
         block = true;
         var me = this;