diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..1eeda0a2 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,8 +4,32 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    const comparisor =
+      compareFunction ||
+      function (item1, item2) {
+        return String(item1) > String(item2) ? 1 : -1;
+      };
+
+    while (true) {
+      let flag = true;
+
+      for (let i = 0; i < this.length - 1; i++) {
+        if (comparisor(this[i], this[i + 1]) > 0) {
+          const helper = this[i];
+
+          this[i] = this[i + 1];
+          this[i + 1] = helper;
+          flag = false;
+        }
+      }
+
+      if (flag) {
+        break;
+      }
+    }
+
+    return this;
   };
 }