diff --git a/codewars/7kyu/get-decimal-part-of-the-given-number/koronya.js b/codewars/7kyu/get-decimal-part-of-the-given-number/koronya.js
new file mode 100644
index 000000000..47f57ffa7
--- /dev/null
+++ b/codewars/7kyu/get-decimal-part-of-the-given-number/koronya.js
@@ -0,0 +1,14 @@
+// [JS][7kyu] Get decimal part of the given number
+// get-decimal-part-of-the-given-number
+// https://www.codewars.com/kata/586e4c61aa0428f04e000069/train/javascript
+
+const getRoundNumber = (num, n) => Math.round(num * 10 ** n) / 10 ** n
+
+const getDecimal = (n) => {
+  const afterDotLength = String(n).split('.')[1]?.length || 0
+  return getRoundNumber(Math.abs(n) % 1, afterDotLength)
+}
+
+getDecimal(10) === 0
+getDecimal(-1.2) === 0.2
+getDecimal(4.5) === 0.5