回答編集履歴
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テキスト追加
test
CHANGED
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@@ -49,3 +49,39 @@
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以上参考になれば幸いです。
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---
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補足
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[moment](https://momentjs.com/)を使うと、以下のように、少しコード量を減らせます。
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```javascript
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const data = ["2018", "Jan", "Mar", "May", "Jul", "Aug", "Oct", "Dec", "Feb", "Jun", "Sep", "Apr", "Nov"];
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const orderedMonths = data.slice(1).sort(
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(m1, m2) => moment(m1, 'MMM') - moment(m2, 'MMM')
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);
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const result = data.slice(0,1).concat(orderedMonths);
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console.log(result);
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```
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※ [https://jsfiddle.net/jun68ykt/bp3ujrwv/25/](https://jsfiddle.net/jun68ykt/bp3ujrwv/25/)
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