From d1b742f228419b2ab9f5943c686e039f0e1457bc Mon Sep 17 00:00:00 2001
From: Pierre-Denis Vanduynslager <pierre.denis.vanduynslager@gmail.com>
Date: Wed, 4 Jan 2017 12:44:50 -0500
Subject: [PATCH] Use pageYOffset instead of scrollY

---
 js/src/scrollspy.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/src/scrollspy.js b/js/src/scrollspy.js
index 0a4708bf97..84fa9d6a4f 100644
--- a/js/src/scrollspy.js
+++ b/js/src/scrollspy.js
@@ -186,7 +186,7 @@ const ScrollSpy = (($) => {
 
     _getScrollTop() {
       return this._scrollElement === window ?
-          this._scrollElement.scrollY : this._scrollElement.scrollTop
+          this._scrollElement.pageYOffset : this._scrollElement.scrollTop
     }
 
     _getScrollHeight() {
-- 
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