diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..02a1035f 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -1,11 +1,24 @@
 'use strict';
 
-/**
- * Implement method Sort
- */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    const compare =
+      compareFunction ||
+      ((a, b) => (String(a) > String(b) ? 1 : String(a) < String(b) ? -1 : 0));
+
+    for (let i = 0; i < this.length; i++) {
+      for (let j = 0; j < this.length - 1; j++) {
+        if (compare(this[j], this[j + 1]) > 0) {
+          const temp = this[j];
+
+          this[j] = this[j + 1];
+
+          this[j + 1] = temp;
+        }
+      }
+    }
+
+    return this;
   };
 }