diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..6946a28c 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,8 +4,23 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    for (let i = 0; i < this.length; i++) {
+      for (let j = 0; j < this.length - 1; j++) {
+        const temp = this[j];
+
+        const shouldSwap = compareFunction
+          ? compareFunction(this[j], this[j + 1]) > 0
+          : String(this[j]) > String(this[j + 1]);
+
+        if (shouldSwap) {
+          this[j] = this[j + 1];
+          this[j + 1] = temp;
+        }
+      }
+    }
+
+    return this;
   };
 }