From 20cdf4e7de60f515a7acf6c70228c52668301d9b Mon Sep 17 00:00:00 2001
From: Richard Gibson <richard.gibson@gmail.com>
Date: Tue, 18 Jul 2017 15:40:41 -0400
Subject: Support: Properly check for IE9 absolute scrollbox mishandling

Ref gh-3589
Fixes gh-3699
Fixes gh-3730
Closes gh-3729
---
 src/css.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/css.js')

diff --git a/src/css.js b/src/css.js
index 79e06319c..87bf2481d 100644
--- a/src/css.js
+++ b/src/css.js
@@ -378,7 +378,7 @@ jQuery.each( [ "height", "width" ], function( i, dimension ) {
 
 			// Account for unreliable border-box dimensions by comparing offset* to computed and
 			// faking a content-box to get border and padding (gh-3699)
-			if ( isBorderBox && !support.borderBoxReliable() ) {
+			if ( isBorderBox && support.scrollboxSize() === styles.position ) {
 				subtract -= Math.ceil(
 					elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
 					parseFloat( styles[ dimension ] ) -
-- 
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