diff --git a/bangdori/Top K Frequent Elements.js b/bangdori/Top K Frequent Elements.js
new file mode 100644
index 0000000..341b4e2
--- /dev/null
+++ b/bangdori/Top K Frequent Elements.js	
@@ -0,0 +1,28 @@
+/**
+ * @param {number[]} nums
+ * @param {number} k
+ * @return {number[]}
+ */
+var topKFrequent = function (nums, k) {
+  const map = new Map();
+
+  for (const num of nums) {
+    let count = 1;
+
+    if (map.has(num)) {
+      const prevCount = map.get(num);
+      count += prevCount;
+    }
+
+    map.set(num, count);
+  }
+
+  const numsWithCount = [...map].sort((a, b) => b[1] - a[1]);
+  const answer = [];
+
+  for (let i = 0; i < k; i++) {
+    answer.push(numsWithCount[i][0]);
+  }
+
+  return answer;
+};