From da88821e6edf33301c3bfa4c2164df70eb5ced3a Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Thu, 25 Jun 2020 08:15:36 +0000
Subject: [PATCH] fhemweb.js: fix slider code for extracting number from
 reading-value

git-svn-id: https://svn.fhem.de/fhem/trunk@22260 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/www/pgm2/fhemweb.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/www/pgm2/fhemweb.js b/fhem/www/pgm2/fhemweb.js
index 4205b6328..f887152c3 100644
--- a/fhem/www/pgm2/fhemweb.js
+++ b/fhem/www/pgm2/fhemweb.js
@@ -1692,7 +1692,7 @@ FW_createSlider(elName, devName, vArr, currVal, set, params, cmd)
   sh.ontouchstart = function(e) { touchFn(e, mouseDown); }
 
   newEl.setValueFn = function(arg) {
-    var res = arg.match(/[\d.\-]+/); // extract first number
+    var res = arg.match(/-?[\d.]+/); // extract first number
     currVal = (res ? parseFloat(res[0]) : min);
     if(currVal < min || currVal > max)
       currVal = min;