From 850b3873dc68dfd2d1d90ae7e2ad1abf30efadbe Mon Sep 17 00:00:00 2001
From: windy <1374721899@qq.com>
Date: Mon, 19 Aug 2019 19:13:22 +0800
Subject: [PATCH] =?UTF-8?q?BI-50082=20fix:=20class=E8=A6=86=E7=9B=96?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
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---
 src/widget/numberinterval/numberinterval.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/widget/numberinterval/numberinterval.js b/src/widget/numberinterval/numberinterval.js
index 74033ec71..d0cf78f4c 100644
--- a/src/widget/numberinterval/numberinterval.js
+++ b/src/widget/numberinterval/numberinterval.js
@@ -23,7 +23,7 @@ BI.NumberInterval = BI.inherit(BI.Single, {
     _defaultConfig: function () {
         var conf = BI.NumberInterval.superclass._defaultConfig.apply(this, arguments);
         return BI.extend(conf, {
-            extraCls: "bi-number-interval" + (BI.isIE() && BI.getIEVersion() < 10) ? " hack" : "",
+            extraCls: "bi-number-interval" + ((BI.isIE() && BI.getIEVersion() < 10) ? " hack" : ""),
             height: 24,
             validation: "valid",
             closeMin: true,