From dcf94a58c7419083cb10ea645c97c8d8c740810b Mon Sep 17 00:00:00 2001
From: Rick Waldron <waldron.rick@gmail.com>
Date: Fri, 21 Dec 2012 15:24:42 -0500
Subject: [PATCH] Ensure that null/undefined args don't choke on native indexOf

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
---
 src/core.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core.js b/src/core.js
index 6fad83b2a..4f99e0f4c 100644
--- a/src/core.js
+++ b/src/core.js
@@ -587,7 +587,7 @@ jQuery.extend({
 	},
 
 	inArray: function( elem, arr, i ) {
-		return core_indexOf.call( arr, elem, i );
+		return arr == null ? -1 : core_indexOf.call( arr, elem, i );
 	},
 
 	merge: function( first, second ) {
-- 
2.39.5