diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..9968d6a6 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,9 +4,43 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    const cmp =
+      compareFunction ||
+      function (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 - 1; i++) {
+      for (let j = 0; j < this.length - i - 1; j++) {
+        if (cmp(this[j], this[j + 1]) > 0) {
+          const temp = this[j];
+
+          this[j] = this[j + 1];
+          this[j + 1] = temp;
+        }
+      }
+    }
+
+    return this;
+  };
+
+  /* eslint-disable no-extend-native */
+  Array.prototype.sort = function (compareFn) {
+    return this.sort2(compareFn);
   };
+  /* eslint-enable no-extend-native */
 }
 
 module.exports = applyCustomSort;