diff --git a/Programmers/exam20.js b/Programmers/exam20.js
new file mode 100644
index 0000000..c57e76e
--- /dev/null
+++ b/Programmers/exam20.js
@@ -0,0 +1,3 @@
+function solution(array, n) {
+  return array.filter((v) => v === n).length;
+}