From 6c108a2e1302b1d89620a4cee68b9c1c54453e21 Mon Sep 17 00:00:00 2001
From: Helen Liu <liuhelen10@gmail.com>
Date: Mon, 11 Dec 2017 14:36:28 -0800
Subject: [PATCH] declare key as a var so it complies with strict mode

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 6ce47c6..9e7aa28 100644
--- a/index.js
+++ b/index.js
@@ -59,7 +59,7 @@ module.exports = (function(doc, win) {
     }
 
     function mergeObjects(targetObj, sourceObject) {
-        for (key in sourceObject) {
+        for (var key in sourceObject) {
             if (sourceObject.hasOwnProperty(key)) {
                 targetObj[key] = sourceObject[key];
             }