diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..35e42acc 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,8 +4,21 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  const compareByDefault = (a, b) => (String(a) > String(b) ? 1 : -1);
+
+  [].__proto__.sort2 = function (callback = compareByDefault) {
+    for (let j = 0; j < this.length; j++) {
+      for (let i = 0; i < this.length - 1; i++) {
+        if (callback(this[i], this[i + 1]) > 0) {
+          const temp = this[i];
+
+          this[i] = this[i + 1];
+          this[i + 1] = temp;
+        }
+      }
+    }
+
+    return this;
   };
 }