js 怎么增加表格table

Question

javascript

Answer 1

<form name="form1" id="form1">
<table width="800px" border="1" id="tablenode">
<tr>
<td>用户名:</td>
<td><input type="text" name="" value=""></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="password" name="" value=""></td>
</tr>
<tr>
<td>性别:</td>
<td> <select name="sex" >
<option value="nan">男</option>
<option value="nv">女</option>
</select> 
</td>
</tr>
<tr>
<td>  <input type="button" name="b1" id="b1" value="提交a" onclick="ittable()"></td>
<td><input type="button" name="reset" value="重置"></td>
</tr>
</table> </form><script type="text/javascript"> function ittable() {
            var newnode = document.getElementById('tablenode').cloneNode(true);
            document.getElementById('form1').appendChild(newnode);
        } </script></form>