diff --git a/codewars/7kyu/return-a-string-s-even-characters/koronya.js b/codewars/7kyu/return-a-string-s-even-characters/koronya.js
new file mode 100644
index 000000000..05544519b
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+++ b/codewars/7kyu/return-a-string-s-even-characters/koronya.js
@@ -0,0 +1,16 @@
+// [JS][7kyu] Return a string's even characters.
+// return-a-string-s-even-characters
+// https://www.codewars.com/kata/566044325f8fddc1c000002c/train/javascript
+
+const evenChars = (string) => {
+  const stringLength = string.length
+  if (stringLength < 2 || stringLength > 100) {
+    return 'invalid string'
+  }
+
+  return string.split('').filter((_, index) => index % 2 === 1)
+}
+
+// evenChars('abcdefghijklm')
+// evenChars('a')
+// evenChars('1234')