From 0f07c7a018ea5ddc1561aadccea0ff75bc4b791d Mon Sep 17 00:00:00 2001
From: koronya <koronya@hanmail.net>
Date: Tue, 17 Feb 2026 20:52:27 +0900
Subject: [PATCH] [JS][6kyu] Simplify the number!

---
 codewars/6kyu/simplify-the-number/koronya.js | 28 ++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 codewars/6kyu/simplify-the-number/koronya.js

diff --git a/codewars/6kyu/simplify-the-number/koronya.js b/codewars/6kyu/simplify-the-number/koronya.js
new file mode 100644
index 000000000..a74e0953b
--- /dev/null
+++ b/codewars/6kyu/simplify-the-number/koronya.js
@@ -0,0 +1,28 @@
+// [JS][6kyu] Simplify the number!
+// simplify-the-number
+// https://www.codewars.com/kata/5800b6568f7ddad2c10000ae/train/javascript
+
+const simplify = (number) => {
+  if (number === 0) {
+    return ''
+  }
+  const numStr = String(number)
+  const numStrLength = numStr.length
+  const resultArr = []
+  numStr.split('').forEach((num, index) => {
+    if (num !== '0') {
+      if (index === numStrLength - 1) {
+        resultArr.push(num)
+        return
+      }
+      const zeros = '0'.repeat(numStrLength - 1 - index)
+      resultArr.push(`${num}*1${zeros}`)
+    }
+  })
+  return resultArr.join('+')
+}
+
+simplify(8964631) === '8*1000000+9*100000+6*10000+4*1000+6*100+3*10+1'
+simplify(660) === '6*100+6*10'
+simplify(56) === '5*10+6'
+simplify(600) === '6*100'