From 367f49b12bb15f7891abeac22c7f5be538e39af1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maur=C3=ADcio=20Meneghini=20Fauth?=
 <mauriciofauth@gmail.com>
Date: Mon, 8 Jan 2018 17:12:44 -0200
Subject: [PATCH] Fix getPostData function
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dataPost can be undefined

Signed-off-by: Maurício Meneghini Fauth <mauriciofauth@gmail.com>
---
 js/functions.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/js/functions.js b/js/functions.js
index b449070b5b6e..35bc54b038b1 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -5093,9 +5093,8 @@ function configGet(key, cached=true)
 jQuery.fn.getPostData = function() {
     var dataPost = this.attr('data-post');
     // Strip possible leading ?
-    if (dataPost.startsWith('?')) {
+    if (dataPost !== undefined && dataPost.startsWith('?')) {
         dataPost = dataPost.substr(1);
     }
     return dataPost;
 };
-