Filter and remove old messages

.idea/jsLibraryMappings.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="JavaScriptLibraryMappings">
-    <file url="PROJECT" libraries="{jquery-3.4.1}" />
+    <file url="PROJECT" libraries="{jquery-3.4.1, moment}" />
   </component>
 </project>

index.php

@@ -50,6 +50,7 @@
 	crossorigin="anonymous"></script>
 <script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
 <script src="//stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
+<script src="//momentjs.com/downloads/moment.min.js"></script>
 <!--suppress JSUnresolvedVariable -->
 <script>
     $.getJSON('payload.json', (data) => {
@@ -71,6 +72,10 @@
         let items = [];
         $.each(data, (key, val) => {
             console.log('key:', key, ' val:', val);
+            console.log(moment().subtract(10, 'days').format('YYYY-MM-DD'));
+            if (c(val["Datum"]) < moment().subtract(10, 'days').format('YYYY-MM-DD')) {
+                return;
+            }
             items.push( "<tr>" );
             items.push( "<td scope=\"row\">" + (parseInt(key)+1) + "</td>" );
             items.push( "<td class=\""+key+"\">" + val["Datum"] + "</td>" );