From d484f8ff4486c6894684af2bbbb0834a38d69674 Mon Sep 17 00:00:00 2001
From: codefalling <code.falling@gmail.com>
Date: Mon, 25 Apr 2016 17:19:25 +0800
Subject: [PATCH] safer _#toString, fix #2498

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

diff --git a/underscore.js b/underscore.js
index 84713e688..ab2f75f36 100644
--- a/underscore.js
+++ b/underscore.js
@@ -1608,7 +1608,7 @@
   _.prototype.valueOf = _.prototype.toJSON = _.prototype.value;
 
   _.prototype.toString = function() {
-    return '' + this._wrapped;
+    return String(this._wrapped);
   };
 
   // AMD registration happens at the end for compatibility with AMD loaders