diff --git a/index.js b/index.js
index e36025b00..ad4ce5008 100644
--- a/index.js
+++ b/index.js
@@ -1,2 +1,11 @@
 function addingEventListener() {
+    const input = document.getElementById('button');
+
+    function clickAlert() {
+        alert('I was clicked!');
+    }
+
+    input.addEventListener('click', clickAlert);
 }
+
+addingEventListener();