From 945bb3eebcc677401ad0c2d82b66545ea451a266 Mon Sep 17 00:00:00 2001
From: Don Cross <cosinekitty@gmail.com>
Date: Wed, 4 May 2022 20:40:45 -0400
Subject: [PATCH] Fix same exception ebraminio did in moonradar.html

---
 demo/browser/positions.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demo/browser/positions.html b/demo/browser/positions.html
index 8c24ada2..ab320993 100644
--- a/demo/browser/positions.html
+++ b/demo/browser/positions.html
@@ -143,7 +143,7 @@
             var Options;
 
             function ParseDate(s) {
-                return new Date(s.replace(' ', 'T'));   // Safari doesn't like the space character
+                return new Date((s || '').replace(' ', 'T'));   // Safari doesn't like the space character
             }
 
             function IsValidNumber(s) {