plusOne

Author: mgable

plusOne.js

@@ -0,0 +1,20 @@
+/**
+ * @param {number[]} digits
+ * @return {number[]}
+ */
+var plusOne = function(digits) {
+    let revArray = digits.reverse(),
+      add = true,
+      index = 0
+
+    while(add){
+      if (revArray[index] === 9){
+        revArray[index++] = 0
+      } else {
+        revArray[index] ? revArray[index] += 1: revArray[index] = 1;
+        add = false;
+      }
+    }
+
+    return revArray.reverse();
+};