diff --git a/codewars/7kyu/simple-fun-75-digit-degree/koronya.js b/codewars/7kyu/simple-fun-75-digit-degree/koronya.js
new file mode 100644
index 000000000..88b3374a1
--- /dev/null
+++ b/codewars/7kyu/simple-fun-75-digit-degree/koronya.js
@@ -0,0 +1,35 @@
+// [JS][7kyu] Simple Fun #75: Digit Degree
+// simple-fun-75-digit-degree
+// https://www.codewars.com/kata/589422431a88082ea600002a/train/javascript
+
+const getSum = (n) => {
+  return n
+    .toString()
+    .split('')
+    .reduce((acc, curr) => acc + Number(curr), 0)
+}
+
+const digitDegree = (n) => {
+  if (n < 10) {
+    return 0
+  }
+  let count = 1
+  let degree = getSum(n)
+  while (degree >= 10) {
+    degree = getSum(degree)
+    count += 1
+  }
+  return count
+}
+
+digitDegree(5) === 0
+
+digitDegree(100) === 1
+
+digitDegree(91) === 2
+
+digitDegree(99) === 2
+
+digitDegree(1234567) === 3
+
+digitDegree(1000000000) === 1