From d3ff222a04d56de13cce780c6ed3d39a39ffadda Mon Sep 17 00:00:00 2001
From: rolux <rolux@rolux.org>
Date: Sat, 19 May 2012 13:16:04 +0400
Subject: [PATCH] Ox.$: return undefined for non-existing attributes (like
 jQuery); fix a wrong 'this' reference

---
 source/Ox/js/DOM.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/source/Ox/js/DOM.js b/source/Ox/js/DOM.js
index 308e0cd0..230a64bf 100644
--- a/source/Ox/js/DOM.js
+++ b/source/Ox/js/DOM.js
@@ -67,7 +67,7 @@ Ox.$ <f> Generic HTML element, mimics jQuery
     > Ox.$('<div>').attr({id: 'red'}).attr('id')
     'red'
     > Ox.$('<div>').attr({id: 'red'}).removeAttr('id').attr('id')
-    ''
+    void 0
     > Ox.$('<div>').css({color: 'red'}).css('color')
     'red'
     > Ox.$('<div>').html('red').html()
@@ -133,6 +133,9 @@ Ox.$ = Ox.element = function(val) {
             var ret, that = this;
             if (arguments.length == 1 && Ox.isString(arguments[0])) {
                 ret = this[0].getAttribute(arguments[0]);
+                if (ret === null) {
+                    ret = void 0;
+                }
             } else {
                 Ox.forEach(Ox.makeObject(arguments), function(v, k) {
                     that[0].setAttribute(k, v);
@@ -254,8 +257,9 @@ Ox.$ = Ox.element = function(val) {
             key <s> The attribute
         @*/
         removeAttr: function() {
+            var that = this;
             Ox.makeArray(arguments[0]).forEach(function(key) {
-                this[0].removeAttribute(key);
+                that[0].removeAttribute(key);
             });
             return this;
         },