回答編集履歴
2
別にpropをつかわなくてもよかった箇所を修正
answer
CHANGED
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@@ -9,14 +9,14 @@
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9
9
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function savePreChecked(name) {
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10
10
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var selector = "input:radio";
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11
11
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if (name) { selector += "[name='" + name + "']"; }
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12
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-
$(selector).each(function(){
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12
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+
$(selector).each(function(){ this.preChecked = this.checked; });
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13
13
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}
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14
14
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15
15
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$(function() {
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16
16
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savePreChecked();
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17
17
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$("input:radio").on("click", function() {
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18
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-
if (
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18
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+
if (this.preChecked == true) {
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19
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-
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19
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+
this.checked = false;
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20
20
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}
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21
21
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savePreChecked(this.name);
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22
22
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});
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1
重くなるという懸念に対応
answer
CHANGED
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@@ -6,8 +6,10 @@
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6
6
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<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
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7
7
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<script>
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8
8
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9
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-
function savePreChecked() {
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9
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+
function savePreChecked(name) {
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|
10
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+
var selector = "input:radio";
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|
11
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+
if (name) { selector += "[name='" + name + "']"; }
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10
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-
$(
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12
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+
$(selector).each(function(){ $(this).prop("preChecked", $(this).prop("checked")); });
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11
13
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}
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12
14
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|
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13
15
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$(function() {
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@@ -16,7 +18,7 @@
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16
18
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if ($(this).prop("preChecked") == true) {
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17
19
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$(this).prop('checked', false);
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18
20
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}
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19
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-
savePreChecked();
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21
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+
savePreChecked(this.name);
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20
22
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});
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21
23
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});
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22
24
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