diff --git a/jopa2.js b/jopa2.js
new file mode 100644
index 0000000..0a9d25e
--- /dev/null
+++ b/jopa2.js
@@ -0,0 +1,5 @@
+function same(x, y)  {
+    if (x !== x && y !== y)
+        return true;
+    return x === y;
+}