diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..e678a429 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -1,11 +1,40 @@
 'use strict';
 
-/**
- * Implement method Sort
- */
+function defaultCompare(a, b) {
+  const first = String(a);
+  const second = String(b);
+
+  if (first < second) {
+    return -1;
+  }
+
+  if (first > second) {
+    return 1;
+  }
+
+  return 0;
+}
+
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    const isInvalidCompareFunction =
+      compareFunction !== undefined && typeof compareFunction !== 'function';
+
+    if (isInvalidCompareFunction) {
+      throw new TypeError('compareFunction must be a function');
+    }
+
+    const compare = compareFunction ?? defaultCompare;
+
+    for (let i = 0; i < this.length; i++) {
+      for (let j = 0; j < this.length - i - 1; j++) {
+        if (compare(this[j], this[j + 1]) > 0) {
+          [this[j], this[j + 1]] = [this[j + 1], this[j]];
+        }
+      }
+    }
+
+    return this;
   };
 }