From 6d47bc9391a8fff347db631fa52f93e5f3e0ae51 Mon Sep 17 00:00:00 2001
From: Z <z@z.com>
Date: Tue, 3 Apr 2018 23:38:14 +0800
Subject: [PATCH] Fix: Serializing the value of empty DOM elements using native
 JSON in IE8 See:
 https://blogs.msdn.microsoft.com/jscript/2009/06/22/serializing-the-value-of-empty-dom-elements-using-native-json-in-ie8/

---
 jquery.placeholder.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/jquery.placeholder.js b/jquery.placeholder.js
index f98f380..2555818 100644
--- a/jquery.placeholder.js
+++ b/jquery.placeholder.js
@@ -71,10 +71,10 @@
                 var $passwordInput = $element.data('placeholder-password');
 
                 if ($passwordInput) {
-                    return $passwordInput[0].value;
+                    return $passwordInput[0].value === '' ? '' : $passwordInput[0].value;
                 }
 
-                return $element.data('placeholder-enabled') && $element.hasClass(settings.customClass) ? '' : element.value;
+                return $element.data('placeholder-enabled') && $element.hasClass(settings.customClass) ? '' : (element.value === '' ? '' : element.value);
             },
             'set': function(element, value) {