回答編集履歴
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sample
test
CHANGED
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@@ -1,3 +1,79 @@
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セレクトボックスのoptionですよね？
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セレクトボックス自体のchangeイベントを拾ってはいけないのですか？
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# sample
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念の為こんな感じです
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(今回はanimate処理は飛ばしました)
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```javascript
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$(function(){
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$('select').on('change',function(){
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var target = $(this).val();
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$('#list li').hide().filter(function(){
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return $(this).hasClass(target) || target == 'all';
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}).show();
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}).trigger('change');
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});
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```
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```HTML
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<select>
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<option value="all">All</option>
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<option value="red">Red</option>
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<option value="blue">Blue</option>
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<option value="yellow">Yellow</option>
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<option value="gray">Gray</option>
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</select>
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<ul id="list">
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<li class="red">r1</li>
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<li class="gray">g1</li>
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<li class="yellow">y1</li>
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<li class="blue">b1</li>
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<li class="gray">g2</li>
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<li class="red">r2</li>
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<li class="blue">b2</li>
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<li class="yellow">y2</li>
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<li class="red">r3</li>
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<li class="gray">g3</li>
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<li class="yellow">y3</li>
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<li class="blue">b3</li>
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</ul>
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```
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