Rotate given array by n

Prathamesh Mhatre · Prathamesh Mhatre · commit 14d06f445b74 · 2020-10-01T12:20:14.000+05:30
diff --git a/Array/rotate/rotate-array-by-n.js b/Array/rotate/rotate-array-by-n.js
@@ -0,0 +1,18 @@
+function rotateArrayByN(array,n,direction = 'right') {
+    if(direction === 'right') {
+        return array.slice(n, array.length).concat(array.slice(0, n));
+    } else if (direction === 'left') {
+        return array.slice(-n).concat(array.slice(0,array.length-n));
+    } else {
+        return array;
+    }
+    
+}
+console.log(rotateArrayByN([1, 2, 3, 4, 5, 6, 7],2,'left'));
+/** 
+console.log(rotateArrayByN([1, 2, 3, 4, 5, 6, 7],2));
+// Output  [3, 4, 5, 6, 7, 1, 2]
+
+console.log(rotateArrayByN([1, 2, 3, 4, 5, 6, 7],2,'left'));
+// Output [6, 7, 1, 2, 3, 4, 5]
+*/
