diff --git a/codewars/7kyu/playing-with-sets-intersection/koronya.js b/codewars/7kyu/playing-with-sets-intersection/koronya.js
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+++ b/codewars/7kyu/playing-with-sets-intersection/koronya.js
@@ -0,0 +1,19 @@
+// [JS][7kyu] Playing with Sets : Intersection
+// playing-with-sets-intersection
+// https://www.codewars.com/kata/5884d46015a70f6cd7000035/train/javascript
+
+const inter = (s1, s2) => {
+  const result = new Set()
+  s1.forEach((item) => {
+    if (s2.has(item)) {
+      result.add(item)
+    }
+  })
+  return result
+}
+
+// es2024
+const inter2 = (s1, s2) => s1.intersection(s2)
+
+inter(new Set([1, 2]), new Set([2, 3]))
+inter2(new Set([1, 2]), new Set([2, 3]))