diff --git a/demo/app/workers/javascript.worker.js b/demo/app/workers/javascript.worker.js
new file mode 100644
index 0000000..e9cb2b8
--- /dev/null
+++ b/demo/app/workers/javascript.worker.js
@@ -0,0 +1,7 @@
+require("tns-core-modules/globals");
+
+global.onmessage = function (msg) {
+    console.log("Inside JS worker...");
+    console.log(msg);
+    global.postMessage("JS worker");
+}