diff --git a/Programmers/exam18.js b/Programmers/exam18.js
new file mode 100644
index 0000000..8f19f6a
--- /dev/null
+++ b/Programmers/exam18.js
@@ -0,0 +1,6 @@
+function solution(my_string, n) {
+  return my_string
+    .split("")
+    .map((str) => str.repeat(n))
+    .join("");
+}