@@@@@送分了！求在一个table里点击一行让改行高亮显示，在线急等◎◎◎◎◎

Question

function setRowNum(current){
var displayTable=document.getElementById("tb1");
  for(i=0;i<displayTable.rows.length;i++){
    if(displayTable.rows[i]==current){      if(rowNum>=0){
        //previous line set back
        displayTable.rows[rowNum].style.background = "#FFFFFF";      }      rowNum=i;
      displayTable.rows[rowNum].style.background= "#FFEEFF";
   }
}
将没一个 <tr> 改成  <tr onclick="setRowNum(this)">

Answer 1

<table id="tb1" width="790" border="1" cellpadding="0" cellspacing="0">
    <tr onclick=show(this)>
        <td>aaaaaaaa</td>
    </tr>
    <tr onclick=show(this)>
        <td>bbbbbbbb</td>
    </tr>
    <tr onclick=show(this)>
        <td>cccccccc</td>
    </tr>
    <tr onclick=show(this)>
        <td>dddddddd</td>
    </tr>
    <tr onclick=show(this)>
        <td>eeeeeeee</td>
    </tr>
</table>
<script language=javascript>
PreviousObj=document.getElementsByTagName("tr")[0]
function show(obj)
{
PreviousObj.style.backgroundColor="#ffffff"
PreviousObj=obj
obj.style.backgroundColor="#ff0000"

}
</script>