diff --git a/callbackHell.js b/callbackHell.js
new file mode 100644
index 0000000..d9099b1
--- /dev/null
+++ b/callbackHell.js
@@ -0,0 +1,21 @@
+setTimeout(function (name) {
+  var catList = name + ',';
+
+  setTimeout(function (name) {
+    catList += name + ',';
+
+    setTimeout(function (name) {
+      catList += name + ',';
+
+      setTimeout(function (name) {
+        catList += name + ',';
+
+        setTimeout(function (name) {
+          catList += name;
+
+          console.log(catList);
+        }, 1, 'Lion');
+      }, 1, 'Snow Leopard');
+    }, 1, 'Lynx');
+  }, 1, 'Jaguar');
+}, 1, 'Panther');