From: Jacob Thornton <jacobthornton@gmail.com>
Date: Sun, 15 Nov 2015 04:43:45 +0000 (-0800)
Subject: add undefined for now
X-Git-Tag: v4.0.0-alpha.2~130
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ece98f980cc9dedbab099bd8d4fc1540a218bb9d;p=thirdparty%2Fbootstrap.git

add undefined for now
---

diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index 173ee592ec..6bd17353dd 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -16,7 +16,7 @@ const Tooltip = (($) => {
    * Check for Tether dependency
    * Tether - http://github.hubspot.com/tether/
    */
-  if (!window.Tether) {
+  if (window.Tether === undefined) {
     throw new Error('Bootstrap tooltips require Tether (http://github.hubspot.com/tether/)')
   }