Stuck with an on-click handler that isn't happening

resources/templates/base.html

@@ -5,6 +5,7 @@
     <!-- head: if you want entire custom head content, override this block. -->
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
     <meta name="viewport" content="width=device-width, initial-scale=1"/>
+    <meta name="referrer" content="same-origin">
     {% style "/css/yyy-common.css" %}
     {% style "/css/yyy-site.css" %}
     {% style "/css/spinner.css" %}