如何遍历获取table内的tr的属性

如何遍历获取table内的tr的属性
<table width="99%" border="0" cellspacing="1" cellpadding="0">
  <tr id="32543">
    <td>&nbsp;</td>
  </tr>
  <tr id="322543">
    <td>&nbsp;</td>
  </tr>
  <tr id="332443">
    <td>&nbsp;</td>
  </tr>
</table>
遍历获取tr的id
谢谢

解决方案 »

  1.   


    <!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>&nbsp;</td>
      </tr>
      <tr id="322543">
      <td>&nbsp;</td>
      </tr>
      <tr id="332443">
      <td>&nbsp;</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>
      

  2.   

    <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;