diff --git a/web/ons-demo/js/app.js b/web/ons-demo/js/app.js
new file mode 100644
index 0000000..c7e96f7
--- /dev/null
+++ b/web/ons-demo/js/app.js
@@ -0,0 +1,7 @@
+function sync() {
+	updateModel(function (model) {
+		d3.select('#lastUpdate').text(model.timestamp);
+		setTimeout(sync, 1000);
+	});
+}
+sync();
\ No newline at end of file