diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..050e1a72 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,8 +4,40 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    const compare =
+      compareFunction ||
+      ((a, b) => {
+        const strA = String(a);
+        const strB = String(b);
+
+        if (strA < strB) {
+          return -1;
+        }
+
+        if (strA > strB) {
+          return 1;
+        }
+
+        return 0;
+      });
+
+    for (let i = 0; i < this.length; i++) {
+      for (let j = i + 1; j < this.length; j++) {
+        const a = this[i];
+        const b = this[j];
+        const result = compare(a, b);
+
+        if (result > 0) {
+          const temp = this[i];
+
+          this[i] = this[j];
+          this[j] = temp;
+        }
+      }
+    }
+
+    return this;
   };
 }