From f527be0af00f1b2188f6175886cbb51ff52b6b27 Mon Sep 17 00:00:00 2001
From: DJ3CE <DJ3CE@darc.de>
Date: Sat, 23 Mar 2024 17:33:32 +0100
Subject: [PATCH] Prevent non-numeric entries in contesting-serial fields

---
 assets/js/sections/contesting.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/assets/js/sections/contesting.js b/assets/js/sections/contesting.js
index 1ce2b5eb..399b4160 100644
--- a/assets/js/sections/contesting.js
+++ b/assets/js/sections/contesting.js
@@ -94,10 +94,10 @@ $(function () {
 	});
 });
 
-// We don't want spaces to be written in serial
+// We don't want anything but numbers to be written in serial
 $(function () {
-	$('#exch_serial_r').on('keypress', function (e) {
-		if (e.which == 32) {
+	$('#exch_serial_r, #exch_serial_s').on('keypress', function (e) {
+		if (e.key.charCodeAt(0) < 48 || e.key.charCodeAt(0) > 57) {
 			return false;
 		}
 	});