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December 25, 2017 05:11
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黒魔術っぽく月のリストを作る
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| const months = Array(12).join().split(',').map((v,i)=>{return `${i+1}月`}) | |
| console.log(months) | |
| // (12) ["1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月", "9月", "10月", "11月", "12月"] |
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