From fad002de5355f6788f3c300e97942b6799c9759d Mon Sep 17 00:00:00 2001
From: Jeremy Ashkenas <jashkenas@gmail.com>
Date: Tue, 21 Dec 2010 00:26:25 -0500
Subject: [PATCH] trying to avoid obj.callee (strict mode)

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

diff --git a/underscore.js b/underscore.js
index 163268888..9dfb2ad96 100644
--- a/underscore.js
+++ b/underscore.js
@@ -595,7 +595,7 @@
 
   // Is a given variable an arguments object?
   _.isArguments = function(obj) {
-    return !!(obj && obj.callee);
+    return !!(obj && hasOwnProperty.call(obj, 'callee'));
   };
 
   // Is a given value a function?