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使用JQuery双击修改Table中Td

<html><head>    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>    <style>        table{            border-collapse:collapse;            border-spacing:0;            margin-right:auto;            margin-left:auto;            width:100%;        }                th,td{            border:1px solid #b5d6e6;            font-size:12px;            font-weight:normal;            vertical-align:middle;            height:20px;            width:25%;        }        th{            text-align:center;            background-color:Gray;        }    </style>    <script src="http://code.jquery.com/jquery-1.10.2.js"></script>    <script>    $(function(){$(#tableId).on(dblclick,td,function(){                //console.info($(this).text());                var oldVal = $(this).text();                var input = "<input type=‘text‘ id=‘tmpId‘ value=http://www.mamicode.com/‘" + oldVal + "‘ >";                $(this).text(‘‘);                $(this).append(input);                $(#tmpId).focus();                $(#tmpId).blur(function(){                    if($(this).val() != ‘‘){                       oldVal = $(this).val();                    }                    //closest:是从当前元素开始,沿Dom树向上遍历直到找到已应用选择器的一个匹配为止。                   $(this).closest(td).text(oldVal);                });            });});</script></head><body><table id="tableId">            <tr><th>head01</th><th>head02</th><th>head03</th><th>head04</th></tr>            <tr><td>head11</td><td>head12</td><td>head13</td><td>head14</td></tr>            <tr><td>head21</td><td>head22</td><td>head23</td><td>head24</td></tr>            <tr><td>head31</td><td>head32</td><td>head33</td><td>head34</td></tr>            <tr><td>head41</td><td>head42</td><td>head43</td><td>head44</td></tr>        </table></body></html>

 

使用JQuery双击修改Table中Td