diff --git a/js/ui-events.js b/js/ui-events.js
new file mode 100644
index 000000000..9791cc124
--- /dev/null
+++ b/js/ui-events.js
@@ -0,0 +1,13 @@
+var footercb = document.getElementById("compile");
+
+var event = new Event('spinner');
+
+// Listen for the event.
+footercb.addEventListener('spinner', function(compile) {
+    setInterval(function () {
+        .loader {
+          border-top: 16px solid blue;
+          border-bottom: 16px solid blue;
+        }
+    });
+});