From 33fb393ea8a81463a97543ea2be4b2cdbca741a3 Mon Sep 17 00:00:00 2001
From: Elephant Liu <lexdene@gmail.com>
Date: Mon, 16 Jan 2017 10:46:13 +0800
Subject: [PATCH] fix a bug when root is undefined

---
 src/md5.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/md5.js b/src/md5.js
index ecfb312..91bc06b 100644
--- a/src/md5.js
+++ b/src/md5.js
@@ -13,6 +13,8 @@
   var NODE_JS = typeof process == 'object' && process.versions && process.versions.node;
   if (NODE_JS) {
     root = global;
+  }else if (!root){
+    root = {};
   }
   var COMMON_JS = !root.JS_MD5_TEST && typeof module == 'object' && module.exports;
   var AMD = typeof define == 'function' && define.amd;