isRuslan · April 1, 2015 21:44 · Apr 1, 2015
diff --git a/index.js b/index.js
@@ -0,0 +1,12 @@
+/**
+ * Write a function that takes an array of integers
+   and returns that array rotated by N positions.
+   For example, if N=2, given the input array [1, 2, 3, 4, 5, 6]
+   the function should return [5, 6, 1, 2, 3, 4]
+ */
+var rotate = function (arr, n) {
+  var L = arr.length;
+  return arr.slice(L - n).concat(arr.slice(0, L - n));
+};
+
+console.assert( rotate( [1, 2, 3, 4, 5, 6] ), [5, 6, 1, 2, 3, 4] );