cloneNode implements table adding deletion effect_javascript skills

<title>Query window</title> <form method="POST" onsubmit="return doSubmit(this)"> <fieldset style="margin:5px;width:630px;"> <legend> </legend>Query conditions<div align="center" class="inputblock" style="width:930;height:150;overflow:auto;"> <table border="1" width="900" cellpadding="0" cellspacing="0" class="table"> <tr> <td class="title" width="16%">列表框</td> <td class="title" width="16%">结果</td> </tr> </table> <table border="1" width="900" cellpadding="0" cellspacing="0" class="table"> <tbody id="tbl"> <tr> <td width="16%"> <select id="pid" name="project" onchange="changeValue(this)"> <option value=""></option> <option value="0">人员编号</option> <option value="1">姓名</option> </select> </td> <td width="16%"> <input id="result" type="text" value="" readonly> </td> </tr> </tbody> <tbody id="newTB"> </tbody> </table> </div> </fieldset> <div align="right" style="margin:10px;"> <input type="button" onclick="insertrow();" value="增加一行"> <input type="button" onclick="delerow();" value="删除一行"> </div> </form>
[Ctrl A select all Note: If you need to introduce external Js, you need to refresh to execute

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