跪求,马上解决马上给分.谢谢。

Question

<script language=javascript >
 function getIndex(obj){
 var tdObj=obj.parentNode
 var allButton=tdObj.getElementsByTagName("button")
   for(var i=0;i<allButton.length;i++){
    if(allButton[i]==obj){
        alert(i+1)
        return
    }
   }
 
 }
 </script>
 
 <table>
 <tbody id="conyTableDown0">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button ID="Button1" onclick=getIndex(this)> </button>
     <button ID="Button2" onclick=getIndex(this)> </button>
     <button ID="Button3" onclick=getIndex(this)> </button>
  </td>
</tr>
</tbody><tbody id="conyTableDown1">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button ID="Button4" onclick=getIndex(this)> </button>
     <button ID="Button5" onclick=getIndex(this)> </button>
     <button ID="Button6" onclick=getIndex(this)> </button>
  </td>
</tr>
</tbody><tbody id="conyTableDown3">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button ID="Button7"> </button>
     <button ID="Button8"> </button>
     <button ID="Button9"> </button>
  </td>
</tr>
</tbody> </table>

Answer 1

<table id="table1">
<tbody id="conyTableDown0">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button onclick="getIndex(this)">asd</button>
     <button onclick="getIndex(this)">asd</button>
     <button onclick="getIndex(this)">asd</button>
  </td>
</tr>
</tbody><tbody id="conyTableDown1">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button onclick="getIndex(this)">asd</button>
     <button onclick="getIndex(this)">asd</button>
     <button onclick="getIndex(this)">asd</button>
  </td>
</tr>
</tbody><tbody id="conyTableDown3">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button onclick="getIndex(this)">asd</button>
     <button onclick="getIndex(this)">asd</button>
     <button onclick="getIndex(this)">asd</button>
 <div id="kkk">
  <div></div>
 </div>
  </td>
</tr>
</tbody>
</table>
<script language="JavaScript">
<!--
function setIndex(){
var trObj = table1.all.tags("tr")

for( var i = 0 ; i < trObj.length ; i ++ ){
if( trObj[i].className == "recBody" ){
btnObj = trObj[i].all.tags("button")
for( var j = 1 ; j <= btnObj.length ; j ++ ){
btnObj[j-1].index = j
}
}
}
}
setIndex()function getIndex(which){
alert(which.index)
}
//-->
</script>

Answer 2

谢谢shyslysky(飞天)，
如果我要改成这样怎么改啊.谢谢咯。要求一样.我对js真的不熟啊
<tbody id="conyTableDown0">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
</tbody><tbody id="conyTableDown1">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
</tbody><tbody id="conyTableDown3">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
</tbody>

Answer 3

<table id="table1">
<tbody id="conyTableDown0">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
</tbody><tbody id="conyTableDown1">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
</tbody><tbody id="conyTableDown3">
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
<tr class="recBody" height="24px">
  <td align="right" colspan="1">
     <button> </button>
  </td>
</tr>
</tbody>
</table>
<script language="JavaScript">
<!--
function setIndex(){
var trObj = table1.all.tags("tr")

for( var i = 0 ; i < trObj.length ; i ++ ){
if( trObj[i].className == "recBody" ){
btnObj = trObj[i].all.tags("button")
for( var j = 1 ; j <= btnObj.length ; j ++ ){
btnObj[j-1].index = j
btnObj[j-1].onclick=function(){getIndex(this)}
}
}
}
}
setIndex()function getIndex(which){
alert(which.index)
}
//-->
</script>

Answer 4

<script language=javascript >
 function getIndex(obj){
 var tdObj=obj.parentNode.parentNode.parentNode
 var allButton=tdObj.getElementsByTagName("button")
   for(var i=0;i<allButton.length;i++){
    if(allButton[i]==obj){
        alert(i+1)
        return
    }
   }
 
 }
 </script>