回答編集履歴
2
仕様具体化に伴いコード追加
test
CHANGED
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@@ -4,34 +4,106 @@
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5
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```js
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6
6
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7
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-
var time = new Date();
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7
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var time = new Date();
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8
8
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9
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var year = time.getFullYear();
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9
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var year = time.getFullYear();
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var month = time.getMonth() + 1;
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var today = time.getDate();
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var lastDate = new Date(year, month, 0); // 今月の最終日
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var selected = ' selected="selected"';
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var i;
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for (
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for (i = year; i <= year + 5; i++) {
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$('#year').append('<option value="' + i + '"'+ (i == year ? selected : '') +'>' + i + '</option>');
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}
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for (
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for (i = month; i <= 12; i++) {
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$('#month').append('<option value="' + i + '"'+ (i ==
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$('#month').append('<option value="' + i + '"'+ (i == month ? selected : '') +'>' + i + '</option>');
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}
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for (
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for (i = today; i <= lastDate; i++) {
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$('#day').append('<option value="' + i + '"'+ (i == t
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$('#day').append('<option value="' + i + '"'+ (i == today ? selected : '') +'>' + i + '</option>');
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}
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// 年セレクトボックス変更時イベント
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$('body').on('change', '#year', function (e) {
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var $year = $(e.target);
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var $month = $('#month');
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var $date = $('#day');
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var slectedMonth = $month.val();
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var slectedDate = $date.val();
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$month.empty();
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$date.empty();
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// 年が今年なら
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70
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if (yaer == $year.val()) {
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for (i = month; i <= 12; i++) {
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$month.append('<option value="' + i + '"'+ (i == slectedMonth ? selected : '') +'>' + i + '</option>');
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}
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for (i = today; i <= lastDate; i++) {
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$date.append('<option value="' + i + '"'+ (i == slectedDate ? selected : '') +'>' + i + '</option>');
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}
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}
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87
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// 年が未来なら
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else {
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90
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for (i = 1; i <= 12; i++) {
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$month.append('<option value="' + i + '"'+ (i == slectedMonth ? selected : '') +'>' + i + '</option>');
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}
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for (i = 1; i <= lastDate; i++) {
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$date.append('<option value="' + i + '"'+ (i == slectedDate ? selected : '') +'>' + i + '</option>');
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}
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}
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105
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});
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106
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107
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```
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34
108
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35
109
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36
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-
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37
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-
HTMLが`jquery`オブジェクトの場合はメソッドチェーンで`.prop('selected', true)`とします。
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1
yearの「SELECTED」抜けを追加
test
CHANGED
|
@@ -14,7 +14,7 @@
|
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14
14
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15
15
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for (var i = year; i >= 1900; i--) {
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17
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-
$('#year').append('<option value="' + i + '">' + i + '</option>');
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+
$('#year').append('<option value="' + i + '"'+ (i == year ? selected : '') +'>' + i + '</option>');
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18
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19
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}
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20
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