From 2929bf9619fd0517a9bee0f4b9a753f9513d75dc Mon Sep 17 00:00:00 2001
From: Johann-S <johann.servoire@gmail.com>
Date: Mon, 2 Oct 2017 14:14:07 +0200
Subject: [PATCH] fix weird case with jQuery

---
 js/src/collapse.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/src/collapse.js b/js/src/collapse.js
index 9c7ff92776..9da673cc9f 100644
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -289,8 +289,8 @@ class Collapse {
     if (Util.isElement(this._config.parent)) {
       parent = this._config.parent
 
-      // It's a jQuery object
-      if (typeof this._config.parent.jquery !== 'undefined') {
+      // it's a jQuery object
+      if (typeof this._config.parent.jquery !== 'undefined' || typeof this._config.parent[0] !== 'undefined') {
         parent = this._config.parent[0]
       }
     } else {