From fbccea5bd2a9d62f7e8ead8d4de488815c05b186 Mon Sep 17 00:00:00 2001
From: "Yurchenko, Ivan" <i.yurchenko@itransition.com>
Date: Sat, 25 Apr 2015 18:00:03 +0300
Subject: [PATCH] Apply validator even if matching data attribute is empty or 0

---
 js/validator.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/validator.js b/js/validator.js
index f59a6b7..fd57bbf 100644
--- a/js/validator.js
+++ b/js/validator.js
@@ -140,7 +140,7 @@
     }
 
     $.each(Validator.VALIDATORS, $.proxy(function (key, validator) {
-      if (($el.data(key) || key == 'native') && !validator.call(this, $el)) {
+      if ((typeof $el.data(key) !== 'undefined' || key == 'native') && !validator.call(this, $el)) {
         var error = getErrorMessage(key)
         !~errors.indexOf(error) && errors.push(error)
       }