diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..4d8ca577 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,8 +4,29 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    if (this.length === 0) {
+      return this;
+    }
+
+    const defaulCompare = (a, b) => {
+      return String(a) === String(b) ? 0 : String(a) > String(b) ? 1 : -1;
+    };
+
+    const compare = compareFunction || defaulCompare;
+
+    for (let i = 0; i < this.length; i++) {
+      for (let j = 0; j < this.length - 1 - i; j++) {
+        if (compare(this[j], this[j + 1]) > 0) {
+          const temp = this[j];
+
+          this[j] = this[j + 1];
+          this[j + 1] = temp;
+        }
+      }
+    }
+
+    return this;
   };
 }