From 2bc7afd3bac5d8b22a876391ba8590568abc179e Mon Sep 17 00:00:00 2001
From: Igor Minar
Date: Tue, 11 Oct 2011 22:52:30 -0700
Subject: fix(ng:class): ignore undefined or NaN classnames

---
 src/directives.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/directives.js b/src/directives.js
index b1502f54..e5cb9044 100644
--- a/src/directives.js
+++ b/src/directives.js
@@ -557,8 +557,8 @@ function ngClass(selector) {
     return function(element) {
       this.$watch(expression, function(scope, newVal, oldVal) {
         if (selector(scope.$index)) {
-          element.removeClass(isArray(oldVal) ? oldVal.join(' ') : oldVal);
-          element.addClass(isArray(newVal) ? newVal.join(' ') : newVal);
+          if (oldVal) element.removeClass(isArray(oldVal) ? oldVal.join(' ') : oldVal);
+          if (newVal) element.addClass(isArray(newVal) ? newVal.join(' ') : newVal);
         }
       });
     };
-- 
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