回答編集履歴
1
formatter
answer
CHANGED
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@@ -5,7 +5,7 @@
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5
5
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6
6
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```js
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7
7
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const options = { weekday: 'short', month: 'numeric', day: 'numeric' };
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8
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-
const
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8
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+
const formatter = new Intl.DateTimeFormat('ja-JP-u-ca-japanese', options);
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9
9
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10
10
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let chkday = new Date();
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11
11
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const nextMonth = chkday.getMonth() + 1; // ※ 1月は 0
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@@ -13,7 +13,7 @@
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13
13
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for (let day = 1; day <= 31; day++) {
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14
14
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chkday.setDate(day);
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15
15
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if (chkday.getMonth() > nextMonth) break;
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16
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-
document.write(
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16
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+
document.write(formatter.format(chkday) + "<br />");
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}
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18
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19
19
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```
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