回答編集履歴
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調整
answer
CHANGED
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@@ -1,3 +1,55 @@
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1
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> var index=$('.btn').index($(this));
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var index=$('.btn').index(this);
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var index=$('.btn').index(this);
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5
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# 調整
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6
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7
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```javascript
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8
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$(function(){
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9
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$('#t1 tbody tr')
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.has('td.danger').append($('<td>').append($('<button>').addClass("btn btn-sm").text('表示'))).end()
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.not(':has(td.danger)').append($('<td>').text('no danger'));
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$('#t1').on('click','.btn',function(){
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var n=$(this).closest('tr').find('td.danger');
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if(n.hasClass('height')){ console.log('height');}
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if(n.hasClass('weight')){ console.log('weight');}
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});
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});
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```
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```HTML
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<table id="t1">
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<thead>
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<tr>
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<th>名前</th>
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27
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<th>身長</th>
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28
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<th>体重</th>
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<th></th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>佐藤</td>
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35
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<td class="height">170</td>
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<td class="weight danger">50</td>
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</tr>
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<tr>
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<td>鈴木</td>
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<td class="danger height">150</td>
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<td class="weight">50</td>
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</tr>
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<tr>
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<td>田中</td>
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<td class="height">180</td>
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<td class="weight">70</td>
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</tr>
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<tr>
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<td>山田</td>
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50
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<td class="height">170</td>
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51
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<td class="weight danger">80</td>
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</tr>
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53
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</tbody>
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54
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</table>
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55
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```
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