From 72c4a067a9def9720a997f23615690970894dc9c Mon Sep 17 00:00:00 2001
From: Victor Homyakov <vkhomyackov@gmail.com>
Date: Thu, 18 Dec 2014 22:51:44 +0300
Subject: [PATCH] Data: speed up $.fn.data() for camel-cased key

Fixes gh-1941
Closes gh-1952
---
 src/data.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/data.js b/src/data.js
index 4db2d6c87..21329defa 100644
--- a/src/data.js
+++ b/src/data.js
@@ -112,8 +112,7 @@ jQuery.fn.extend({
 		}
 
 		return access( this, function( value ) {
-			var data,
-				camelKey = jQuery.camelCase( key );
+			var data, camelKey;
 
 			// The calling jQuery object (element matches) is not empty
 			// (and therefore has an element appears at this[ 0 ]) and the
@@ -128,6 +127,7 @@ jQuery.fn.extend({
 					return data;
 				}
 
+				camelKey = jQuery.camelCase( key );
 				// Attempt to get data from the cache
 				// with the key camelized
 				data = dataUser.get( elem, camelKey );
@@ -147,6 +147,7 @@ jQuery.fn.extend({
 			}
 
 			// Set the data...
+			camelKey = jQuery.camelCase( key );
 			this.each(function() {
 				// First, attempt to store a copy or reference of any
 				// data that might've been store with a camelCased key.