From c58a03a8b758abbcf5111dd8249b0d006716e2e6 Mon Sep 17 00:00:00 2001
From: Antoine Boisadam <Antoine38660@users.noreply.github.com>
Date: Thu, 11 Oct 2018 16:20:23 +0200
Subject: [PATCH] Fix a parenthesis typo

---
 lib/timeline/Core.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/timeline/Core.js b/lib/timeline/Core.js
index fa843ceff..dadb1d4bb 100644
--- a/lib/timeline/Core.js
+++ b/lib/timeline/Core.js
@@ -299,7 +299,7 @@ Core.prototype._create = function (container) {
     }
 
     // make sure your target is a vis element
-    if (!event.target.className.indexOf("vis") > -1) return;
+    if (!(event.target.className.indexOf("vis") > -1)) return;
 
     // make sure only one item is added every time you're over the timeline
     if (itemAddedToTimeline) return;