diff --git a/index.html b/index.html
index e69de29..b05bb55 100644
--- a/index.html
+++ b/index.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<head>
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mocha/3.2.0/mocha.css">
+  <!-- add mocha framework code -->
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/mocha/3.2.0/mocha.js"></script>
+  <script>
+    mocha.setup('bdd'); // minimal setup
+  </script>
+  <!-- add chai -->
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/chai/3.5.0/chai.js"></script>
+  <script>
+    // chai has a lot of stuff, let's make assert global
+    let assert = chai.assert;
+  </script>
+
+</head>
+
+<body>
+    <script>
+        let code = {
+            "49": "Germany",
+            "+49": "Germany number",
+            "1": "US",
+            "+1": "US number"
+        };
+        for(key in code){
+            alert(key);
+        }
+    </script>
+</body>
\ No newline at end of file
