From 74d282ccc82fe9dfb340aaeef22c3d656f2e2ad4 Mon Sep 17 00:00:00 2001
From: Jeremy Ashkenas <jashkenas@gmail.com>
Date: Fri, 15 Oct 2010 17:15:26 -0400
Subject: [PATCH] fixing mistakenly-aliased contains ... should refer to
 include.

---
 test/collections.js | 2 +-
 underscore.js       | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/test/collections.js b/test/collections.js
index 9c72e889e..4e7c7ab6b 100644
--- a/test/collections.js
+++ b/test/collections.js
@@ -111,7 +111,7 @@ $(document).ready(function() {
   test('collections: include', function() {
     ok(_.include([1,2,3], 2), 'two is in the array');
     ok(!_.include([1,3,9], 2), 'two is not in the array');
-    ok(_.contains({moe:1, larry:3, curly:9}, 3), '_.include on objects checks their values');
+    ok(_.contains({moe:1, larry:3, curly:9}, 3) === true, '_.include on objects checks their values');
     ok(_([1,2,3]).include(2), 'OO-style include');
   });
 
diff --git a/underscore.js b/underscore.js
index 2227dcf5e..6ca732b20 100644
--- a/underscore.js
+++ b/underscore.js
@@ -174,7 +174,8 @@
   };
 
   // Determine if a given value is included in the array or object using `===`.
-  _.include = function(obj, target) {
+  // Aliased as `contains`.
+  _.include = _.contains = function(obj, target) {
     if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
     var found = false;
     each(obj, function(value) {
@@ -310,8 +311,8 @@
   };
 
   // Produce an array that contains every item shared between all the
-  // passed-in arrays. Aliased as `contains`.
-  _.intersect = _.contains = function(array) {
+  // passed-in arrays.
+  _.intersect = function(array) {
     var rest = slice.call(arguments, 1);
     return _.filter(_.uniq(array), function(item) {
       return _.every(rest, function(other) {