From bad547c3bb9d13ffeb1e18501217b42b5eed3017 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Tue, 19 Apr 2016 16:58:39 +0800
Subject: [PATCH] Fix #1321 in 0.12.x

pick 28b36d5 manully
---
 components/input/index.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/input/index.jsx b/components/input/index.jsx
index ce007e3462..35cd22f7a8 100644
--- a/components/input/index.jsx
+++ b/components/input/index.jsx
@@ -3,7 +3,7 @@ import assign from 'object-assign';
 import classNames from 'classnames';
 
 function ieGT9() {
-  if (typeof document === undefined) {
+  if (typeof document === 'undefined') {
     return false;
   }
   const documentMode = document.documentMode || 0;