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花自飘零 發表於 2019-8-21 17:58:00

JavaScript--删除Table中当前行

<p>HTML代码：</p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">body</span><span style="color: rgba(0, 0, 255, 1)">></span>
   <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">table </span><span style="color: rgba(255, 0, 0, 1)">border</span><span style="color: rgba(0, 0, 255, 1)">="1"</span><span style="color: rgba(255, 0, 0, 1)"> width</span><span style="color: rgba(0, 0, 255, 1)">="1000"</span><span style="color: rgba(255, 0, 0, 1)"> height</span><span style="color: rgba(0, 0, 255, 1)">="200"</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>操作<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
               <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">a </span><span style="color: rgba(255, 0, 0, 1)">href</span><span style="color: rgba(0, 0, 255, 1)">="javascript:;"</span><span style="color: rgba(255, 0, 0, 1)"> onclick</span><span style="color: rgba(0, 0, 255, 1)">='{if(confirm("确定要删除吗?")) </span><span style="color: rgba(255, 0, 0, 1)">{deleteTr(this); }else {}}'</span><span style="color: rgba(0, 0, 255, 1)">></span>删除<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">a</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
               <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">a </span><span style="color: rgba(255, 0, 0, 1)">href</span><span style="color: rgba(0, 0, 255, 1)">="javascript:;"</span><span style="color: rgba(255, 0, 0, 1)"> onclick</span><span style="color: rgba(0, 0, 255, 1)">='{if(confirm("确定要删除吗?")) </span><span style="color: rgba(255, 0, 0, 1)">{deleteTr(this); }else {}}'</span><span style="color: rgba(0, 0, 255, 1)">></span>删除<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">a</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>测试<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
               <span style="color: rgba(0, 0, 255, 1)"><</span><span style="color: rgba(128, 0, 0, 1)">a </span><span style="color: rgba(255, 0, 0, 1)">href</span><span style="color: rgba(0, 0, 255, 1)">="javascript:;"</span><span style="color: rgba(255, 0, 0, 1)"> onclick</span><span style="color: rgba(0, 0, 255, 1)">='{if(confirm("确定要删除吗?")) </span><span style="color: rgba(255, 0, 0, 1)">{deleteTr(this); }else {}}'</span><span style="color: rgba(0, 0, 255, 1)">></span>删除<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">a</span><span style="color: rgba(0, 0, 255, 1)">></span>
            <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">td</span><span style="color: rgba(0, 0, 255, 1)">></span>
         <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">tr</span><span style="color: rgba(0, 0, 255, 1)">></span>
   <span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">table</span><span style="color: rgba(0, 0, 255, 1)">></span>
<span style="color: rgba(0, 0, 255, 1)"></</span><span style="color: rgba(128, 0, 0, 1)">body</span><span style="color: rgba(0, 0, 255, 1)">></span></pre>
</div>
<p>Js代码：</p>
<div class="cnblogs_code">
<pre><script src="js/jquery-1.10.2.min.js"></script>
<script type="text/javascript">
<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">obj是点击行的this</span>
<span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> deleteTr(obj) {
   </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">通过this找到父级元素节点</span>
   <span style="color: rgba(0, 0, 255, 1)">var</span> tr =<span style="color: rgba(0, 0, 0, 1)"> obj.parentNode.parentNode;
   </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">找到表格</span>
   <span style="color: rgba(0, 0, 255, 1)">var</span> tbody =<span style="color: rgba(0, 0, 0, 1)"> tr.parentNode;
   </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">删除行</span>
<span style="color: rgba(0, 0, 0, 1)">    tbody.removeChild(tr);
   </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">只剩行首时删除表格</span>
   <span style="color: rgba(0, 0, 255, 1)">if</span> (tbody.rows.length == 1<span style="color: rgba(0, 0, 0, 1)">) {
         tbody.parentNode.removeChild(tbody);
   }
}
</span></script></pre>
</div>
<p> </p><br><br>
来源：https://www.cnblogs.com/dcy521/p/11390272.html

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