From cc2e434f3d4e4235052620310affafdeeae6be3f Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Sat, 29 Mar 2014 13:33:50 -0700
Subject: [PATCH] Avoid unnecessarily coercing `start` to a number.

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

diff --git a/lodash.js b/lodash.js
index c51f4da3f..5b2456fab 100644
--- a/lodash.js
+++ b/lodash.js
@@ -3003,7 +3003,7 @@
       var index = -1,
           length = array ? array.length : 0;
 
-      start = +start || 0;
+      start = typeof start == 'undefined' ? 0 : (+start || 0);
       if (start < 0) {
         start = nativeMax(length + start, 0);
       } else if (start > length) {