Fix Javascript issue when last row ("new row") gets selected

Author: topeterk

Designs/HitCounterGui.html

@@ -4,7 +4,7 @@
 <!--
 MIT License
 
-Copyright (c) 2019-2025 Peter Kirmeier
+Copyright (c) 2019-2026 Peter Kirmeier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -194,6 +194,8 @@
 		{
 			let s = splits[i];
 
+			if (s == undefined) continue; // The last "new row" in V1 does not exist, ignore it
+
 			PrepareVisibleSplit(i, d, active_subsplit, splits);
 
 			// remember data from farthest point of the run