From f8725094589e7fc588a5f2cd04afa9dde89db71e Mon Sep 17 00:00:00 2001
From: Young <young@finereport.com>
Date: Wed, 29 May 2019 17:05:17 +0800
Subject: [PATCH] =?UTF-8?q?BI-45290=20fix:=20=E4=BD=BF=E7=94=A8dom=20node?=
 =?UTF-8?q?=E7=9A=84contains=E6=96=B9=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/core/wrapper/layout.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/core/wrapper/layout.js b/src/core/wrapper/layout.js
index 66b15a658..093023884 100644
--- a/src/core/wrapper/layout.js
+++ b/src/core/wrapper/layout.js
@@ -307,9 +307,8 @@ BI.Layout = BI.inherit(BI.Widget, {
             o.items.push(item);
             added.push(w);
             var node = w.element[0];
-            var childNodes = wrapper[0].childNodes;
             // BI-45290 wrapper中已包含的node不需要再次添加（添加可能导致内部滚动条位置重置）
-            if (!BI.contains(childNodes, node)) {
+            if (!wrapper[0].contains(node)) {
                 fragment.appendChild(node);
             }
         });