From ef522190fb59c5149dbb7f08405d18cb5d6cd300 Mon Sep 17 00:00:00 2001
From: Steven <steven@entityzero.com>
Date: Thu, 24 Mar 2016 19:56:14 +1300
Subject: [PATCH] Fix exception when mask isn't set or is false.

Added an additional check to ensure options.mask is a string as it is set to false when not using masks.
Fixes #414
---
 jquery.datetimepicker.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jquery.datetimepicker.js b/jquery.datetimepicker.js
index 42f49b0..d840ed9 100755
--- a/jquery.datetimepicker.js
+++ b/jquery.datetimepicker.js
@@ -1164,7 +1164,7 @@
 					input
 						.off('blur.xdsoft')
 						.on('blur.xdsoft', function () {
-							if (options.allowBlank && (!$.trim($(this).val()).length || $.trim($(this).val()) === options.mask.replace(/[0-9]/g, '_'))) {
+							if (options.allowBlank && (!$.trim($(this).val()).length || (typeof options.mask == "string" && $.trim($(this).val()) === options.mask.replace(/[0-9]/g, '_')))) {
 								$(this).val(null);
 								datetimepicker.data('xdsoft_datetime').empty();
 							} else if (!dateHelper.parseDate($(this).val(), options.format)) {