diff --git a/codewars/7kyu/first-class-function-factory/koronya.js b/codewars/7kyu/first-class-function-factory/koronya.js
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+// [JS][7kyu] First-Class Function Factory
+// first-class-function-factory
+// https://www.codewars.com/kata/563f879ecbb8fcab31000041/train/javascript
+
+const factory = (x) => (arr) => arr.map((num) => num * x)
+
+const fives = factory(5) // returns a function - fives
+const myArray = [1, 2, 3]
+fives(myArray) //returns [5, 10, 15];