From 30eee925dbc9f8d465ccf064f48c24061ffdc378 Mon Sep 17 00:00:00 2001
From: Corey Frang <gnarf37@gmail.com>
Date: Tue, 5 Nov 2013 15:03:28 -0500
Subject: [PATCH] Fix #14101: $().data() should be undefined, not null

---
 src/data.js       | 3 +--
 test/unit/data.js | 6 ++++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/data.js b/src/data.js
index 63920bb9e..8b285d266 100644
--- a/src/data.js
+++ b/src/data.js
@@ -75,8 +75,7 @@ jQuery.extend({
 
 jQuery.fn.extend({
 	data: function( key, value ) {
-		var i, name,
-			data = null,
+		var i, name, data,
 			elem = this[ 0 ],
 			attrs = elem && elem.attributes;
 
diff --git a/test/unit/data.js b/test/unit/data.js
index bf5629644..086067cdc 100644
--- a/test/unit/data.js
+++ b/test/unit/data.js
@@ -170,6 +170,12 @@ test("jQuery.data(object/flash)", 25, function() {
 	dataTests( flash );
 });
 
+// attempting to access the data of an undefined jQuery element should be undefined
+test("jQuery().data() === undefined (#14101)", 2, function() {
+	strictEqual(jQuery().data(), undefined);
+	strictEqual(jQuery().data("key"), undefined);
+});
+
 test(".data()", function() {
 	expect(5);
 
-- 
2.39.5