From 78049ede35016de725575c7c967544f2f40636ae Mon Sep 17 00:00:00 2001
From: sushuang <sushuang0322@gmail.com>
Date: Tue, 22 Aug 2017 07:12:46 +0800
Subject: [PATCH] tweak ie8

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

diff --git a/src/component/tooltip/TooltipView.js b/src/component/tooltip/TooltipView.js
index b075b1fbf..9c8786f09 100644
--- a/src/component/tooltip/TooltipView.js
+++ b/src/component/tooltip/TooltipView.js
@@ -741,7 +741,7 @@ define(function (require) {
 
         // Consider browser compatibility.
         // IE8 does not support getComputedStyle.
-        if (document.defaultView.getComputedStyle) {
+        if (document.defaultView && document.defaultView.getComputedStyle) {
             var stl = document.defaultView.getComputedStyle(el);
             if (stl) {
                 width += parseInt(stl.paddingLeft, 10) + parseInt(stl.paddingRight, 10)
-- 
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