diff --git a/app.js b/app.js
new file mode 100644
index 0000000..e9c80ff
--- /dev/null
+++ b/app.js
@@ -0,0 +1,4 @@
+// created an alert
+var callMe = "labodinho";
+
+alert(callMe)
diff --git a/index.html b/index.html
index 2215042..92899d0 100644
--- a/index.html
+++ b/index.html
@@ -8,5 +8,7 @@
 </head>
 <body>
     <h1 style="text-align: center;">Learn Js</h1>
+
+    <script src="/app.js"></script>
 </body>
 </html>
\ No newline at end of file
