diff --git a/sanghee/javascript/prob8238_2219.js b/sanghee/javascript/prob8238_2219.js
new file mode 100644
index 0000000..936d393
--- /dev/null
+++ b/sanghee/javascript/prob8238_2219.js
@@ -0,0 +1,21 @@
+function solution([id, pw], db) {
+  let answer = "fail";
+  const database = new Map(db);
+
+  if (database.has(id)) {
+    answer = database.get(id) === pw ? "login" : "wrong pw";
+  }
+
+  return answer;
+}
+
+console.log(
+  solution(
+    ["meosseugi", "1234"],
+    [
+      ["rardss", "123"],
+      ["yyoom", "1234"],
+      ["meosseugi", "1234"],
+    ]
+  )
+);
\ No newline at end of file
diff --git "a/sanghee/javascript/\353\241\234\352\267\270\354\235\270 \354\204\261\352\263\265.js" "b/sanghee/javascript/\353\241\234\352\267\270\354\235\270 \354\204\261\352\263\265.js"
new file mode 100644
index 0000000..458e24c
--- /dev/null
+++ "b/sanghee/javascript/\353\241\234\352\267\270\354\235\270 \354\204\261\352\263\265.js"	
@@ -0,0 +1,21 @@
+function solution([id, pw], db) {
+  let answer = "fail";
+  const database = new Map(db);
+
+  if (database.has(id)) {
+    answer = database.get(id) === pw ? "login" : "wrong pw";
+  }
+
+  return answer;
+}
+
+console.log(
+  solution(
+    ["meosseugi", "1234"],
+    [
+      ["rardss", "123"],
+      ["yyoom", "1234"],
+      ["meosseugi", "1234"],
+    ]
+  )
+);