From 24f9776f45fc6af92ec6017ad4f9e3614f8017a6 Mon Sep 17 00:00:00 2001
From: "qingwei.li" <cinwell.li@gmail.com>
Date: Mon, 10 Oct 2016 11:34:22 +0800
Subject: [PATCH] Fix popper.js bug in IE, #291

---
 src/utils/popper.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/utils/popper.js b/src/utils/popper.js
index 19b9338f6..20299d407 100644
--- a/src/utils/popper.js
+++ b/src/utils/popper.js
@@ -1058,7 +1058,10 @@
             ['scroll', 'auto'].indexOf(getStyleComputedProperty(element, 'overflow-x')) !== -1 ||
             ['scroll', 'auto'].indexOf(getStyleComputedProperty(element, 'overflow-y')) !== -1
         ) {
-            return element;
+            // If the detected scrollParent is body, we perform an additional check on its parentNode
+            // in this way we'll get body if the browser is Chrome-ish, or documentElement otherwise
+            // fixes issue #65
+            return element === root.document.body ? getScrollParent(element.parentNode) : element;
         }
         return element.parentNode ? getScrollParent(element.parentNode) : element;
     }