jQuery获取表格中一行的值和获取重复ID的值

<table>
<tr id="resultId">
<td id="perId">1</td>
<td id="perId">2</td>
</tr>
</table>

<script>
$("#resultId").children("td").each(function(){
alert($(this).html());
//        alert($(this).text());
});
</script>

<script>
$('[id=resultIdPer]').each(function(){
//        alert($(this).html());
alert($(this).text());
});
</script>