preparing to send other commands than 'reload' to clients

templates/shared/_layout.html

@@ -33,7 +33,12 @@
 
         socket.onmessage = function(event) {
             //alert(`[message] Data received from server: ${event.data}`);
-            location.reload(true)
+            if (event.data == "reload") {
+                location.reload(true);
+            }
+            else {
+                alert('unknown command: '+event.data);
+            }
         };
 
         socket.onclose = function(event) {