2665

1 files changed, 32 insertions, 0 deletions

diff --git a/2665/main.js b/2665/main.js
new file mode 100644
index 0000000..e52b085
--- /dev/null
+++ b/2665/main.js
@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+"use strict";
+
+/**
+ * @param {integer} init
+ * @return { increment: Function, decrement: Function, reset: Function }
+ */
+var createCounter = function (init) {
+  var count = init;
+  var object = {
+    increment: function () {
+      count++;
+      return count;
+    },
+    decrement: function () {
+      count--;
+      return count;
+    },
+    reset: function () {
+      count = init;
+      return count;
+    },
+  };
+  return object;
+};
+
+/**
+ * const counter = createCounter(5)
+ * counter.increment(); // 6
+ * counter.reset(); // 5
+ * counter.decrement(); // 4
+ */