javascript操作table
<html><body> <body> <table name="tab" id="tab"> <tr> <td>测试</td> <td>test</td></tr> </table> <input type="button" value="增加行" /> <input type="button" value="删除行" /> <script> function insert(){ var tab1=document.getElementById("tab");var tr =tab1.insertRow();var tb1 =tr.insertCell(0);var tb2 =tr.insertCell(1);tb1.innerHTML="<input type='text' name='username' id='username' value='新增列1'/>";tb2.innerHTML="<input type='text' name='username' id='username' value='新增列2'/>"; }function del(){ var alltr=document.getElementsByTagName("tr"); var tab=document.getElementById("tab");; tab.deleteRow(alltr.length-1); }//insert() </script> </body></html>
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