diff --git a/codewars/7kyu/number-of-folds/koronya.js b/codewars/7kyu/number-of-folds/koronya.js
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+++ b/codewars/7kyu/number-of-folds/koronya.js
@@ -0,0 +1,16 @@
+// [JS][7kyu] Number of Folds
+// number-of-folds
+// https://www.codewars.com/kata/59cfe5b023daccfd07000048/train/javascript
+
+const numberOfFolds = (n) => {
+  let result = 0
+  while (n > 1) {
+    n /= 2
+    result += 1
+  }
+  return result
+}
+
+numberOfFolds(8) === 3
+numberOfFolds(1) === 0
+numberOfFolds(2) === 1