日期:2014-05-16 浏览次数:20445 次
<!DOCTYPE HTML> <html> <head> <meta http-equiv="content-type" content="text/html" /> <meta name="author" content="blog.anchen8.net" /> <title>无标题 1</title> </head> <body> <table width="99%" border="0" cellspacing="1" cellpadding="0"> <tr id="32543"> <td> </td> </tr> <tr id="322543"> <td> </td> </tr> <tr id="332443"> <td> </td> </tr> </table> </body> <script> var obj_tr=document.getElementsByTagName("tr"); var idList=new Array(); for(var i=0;i<obj_tr.length;i++){ idList[i]=obj_tr[i].getAttribute("id"); } for(var j=0;j<idList.length;j++){ var obj_p=document.createElement("p"); obj_p.innerHTML=idList[j]; document.body.appendChild(obj_p); } </script> </html>
------解决方案--------------------
<script type="text/javascript">
function get_id(){
var table=document.getElementsByTagName("table")[0];
var trs=table.getElementsByTagName("tr");
for(var i=0;i<trs.length;i++){
trs[i].childNodes[0].innerHTML="id="+trs[i].getAttribute("id");
}
}
window.onload=get_id;