回答編集履歴
2
テキスト修正
test
CHANGED
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@@ -4,7 +4,7 @@
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```javascript
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const round =
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const round = n => (m => m * Math.round(n / m))(10 ** (`${n}`.length - 1))
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1
テキスト修正
test
CHANGED
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@@ -22,7 +22,7 @@
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25
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- **動作確認用 CodePen:** [https://codepen.io/jun68ykt/pen/PoYvqxX?editors=001
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+
- **動作確認用 CodePen:** [https://codepen.io/jun68ykt/pen/PoYvqxX?editors=0012](https://codepen.io/jun68ykt/pen/PoYvqxX?editors=0012)
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