From ec28f81409f9c58bcbc92acb57ba7a8a3824a7fa Mon Sep 17 00:00:00 2001
From: Max Nanasy <max.nanasy@gmail.com>
Date: Thu, 24 May 2012 18:26:37 -0700
Subject: [PATCH] Fixed handling of parameters with names that are keys in
 Object.prototype.

---
 querystring.js      | 2 +-
 test-querystring.js | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/querystring.js b/querystring.js
index 87c4391..e4c9b40 100644
--- a/querystring.js
+++ b/querystring.js
@@ -145,7 +145,7 @@ QueryString.parse = QueryString.decode = function(qs, sep, eq) {
     var k = QueryString.unescape(x[0], true);
     var v = QueryString.unescape(x.slice(1).join(eq), true);
 
-    if (!(k in obj)) {
+    if (!(obj.hasOwnProperty(k))) {
       obj[k] = v;
     } else if (!Array.isArray(obj[k])) {
       obj[k] = [obj[k], v];
diff --git a/test-querystring.js b/test-querystring.js
index b56275f..1a3a4d6 100644
--- a/test-querystring.js
+++ b/test-querystring.js
@@ -26,7 +26,8 @@ var qsTestCases = [
      'undef': ''}],
   [' foo = bar ', '%20foo%20=%20bar%20', {' foo ': ' bar '}],
   ['foo=%zx', 'foo=%25zx', {'foo': '%zx'}],
-  ['foo=%EF%BF%BD', 'foo=%EF%BF%BD', {'foo': '\ufffd' }]
+  ['foo=%EF%BF%BD', 'foo=%EF%BF%BD', {'foo': '\ufffd' }],
+  ['toString=bar', 'toString=bar', {'toString': 'bar'}]
 ];
 
 // [ wonkyQS, canonicalQS, obj ]