From e21b346cbf265278145c253d4f5c784858ccfc3e Mon Sep 17 00:00:00 2001
From: Kit Goncharov <ksgoncharov@gmail.com>
Date: Tue, 12 Jul 2011 19:54:56 -0600
Subject: [PATCH] `_.isEqual`: Compare object types rather than `[[Class]]`
 names.

---
 underscore.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/underscore.js b/underscore.js
index 6bc1ed9e4..0611f8e1d 100644
--- a/underscore.js
+++ b/underscore.js
@@ -600,9 +600,9 @@
       if (a === b) return true;
       // A strict comparison is necessary because `null == undefined`.
       if (a == null) return a === b;
-      // Compare `[[Class]]` names.
-      var className = toString.call(a);
-      if (className != toString.call(b)) return false;
+      // Compare object types.
+      var typeA = typeof a;
+      if (typeA != typeof b) return false;
       // Compare functions by reference.
       if (_.isFunction(a)) return _.isFunction(b) && a == b;
       // Compare strings, numbers, dates, and booleans by value.
@@ -616,7 +616,7 @@
                                 a.multiline == b.multiline &&
                                 a.ignoreCase == b.ignoreCase;
       // Recursively compare objects and arrays.
-      if (typeof a != 'object') return false;
+      if (typeA != 'object') return false;
       // Unwrap any wrapped objects.
       if (a._chain) a = a._wrapped;
       if (b._chain) b = b._wrapped;