javascript DOM操作之动态删除TABLE多行

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>DOM动态删除TABLE多行</title> <script type="text/javascript"> function $（objId）{ return document.getElementById（objId）; } function del_tbl（tblN,ckN）{ var ck = document.getElementsByName（ckN）; var tab = $（tblN）; var rowIndex; for（var i=0;i<ck.length;i++）{ if（ck[i].checked）{ rowIndex = ck[i].parentNode.parentNode.sectionRowIndex;tab.deleteRow（rowIndex）; i = -1; } } }</script> </head> <body> <form id="form1" name="form1" method="post" action=""> <table width="253" border="1" align="center" id="list"> <tr> <td><input type="checkbox" name="cb_k" id="cb_k" /></td> <td>2</td> <td>3</td> </tr> <tr id="tr1"> <td width="28" height="41"><input type="checkbox" name="del" id="del" /></td> <td width="124">第一行 </td> <td width="79">1</td> </tr> <tr id="tr2"> <td height="36"><input type="checkbox" name="del" id="del" /></td> <td>第二行 </td> <td>2</td> </tr> <tr id="tr3"> <td height="40"><input type="checkbox" name="del" id="del" /></td> <td>第三行 </td> <td>3</td> </tr> <tr id="tr4"> <td height="37"><input type="checkbox" name="del" id="del" /></td> <td>第四行 </td> <td>4</td> </tr> <tr id="tr5"> <td height="50"><input type="checkbox" name="del" id="del" /></td> <td>第五行 </td> <td>5</td> </tr> <tr> <td colspan="3"><input type="button" name="btn_del" id="btn_del" value="删 除" onclick="del_tbl（"list","del"）"/> </td> </tr> </table> </form> </body> </html>

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