<body>
<div id="div1">
<input name="name1" id="id1">
<input name="name1" id="id2">
<input name="name1" id="id3">
<input name="name1" id="id4">
<input name="name1" id="id5">
<input name="name1" id="id6">
<input name="name1" id="id7">
<input name="name2" id="id8">
</div>
<input name="name1" id="id8">
</body>我想获取 div1 name值为 name1 的input的id号
<div id="div1">
<input name="name1" id="id1">
<input name="name1" id="id2">
<input name="name1" id="id3">
<input name="name1" id="id4">
<input name="name1" id="id5">
<input name="name1" id="id6">
<input name="name1" id="id7">
<input name="name2" id="id8">
</div>
<input name="name1" id="id8">
</body>我想获取 div1 name值为 name1 的input的id号
<input name="name1" id="id1">
<input name="name1" id="id2">
<input name="name1" id="id3">
<input name="name1" id="id4">
<input name="name1" id="id5">
<input name="name1" id="id6">
<input name="name1" id="id7">
<input name="name2" id="id8">
</div>
<input name="name1" id="id8">
</body>
<script type="text/javascript">
var div1 = document.getElementById('div1');
var name1 = div1.getElementsByTagName('input');
for(var i = 0; i < name1.length; i++){
if(name1[i].name == 'name1'){
alert(name1[i].id)
}
}
</script>
呃~·我之前也想这样,但是getElementById返回的dom对象,不支持用getElementsByName
<input name="name1" id="id1">
<input name="name1" id="id2">
<input name="name1" id="id3">
<input name="name1" id="id4">
<input name="name1" id="id5">
<input name="name1" id="id6">
<input name="name1" id="id7">
<input name="name2" id="id8">
</div>
<input name="name1" id="id8">
</body>
<script type="text/javascript">
var childs = document.getElementsByName('name1');
for(var i = 0; i < childs.length; i++){
if(childs [i].parentNode.id == 'div1'){
alert(childs [i].id)
}
}
</script>
for(var i = 0, len = inputs.length; i < len; i++){
var input = inputs[i];
if(input.parentNode.id === 'div1' && input.name === 'name1'){
alert(input.id);
}
}
<head></head>
<body>
<div id="div1">
<input name="name1" id="id1">
<input name="name1" id="id2">
<input name="name1" id="id3">
<input name="name1" id="id4">
<input name="name1" id="id5">
<input name="name1" id="id6">
<input name="name1" id="id7">
<input name="name2" id="id8">
</div>
<input name="name1" id="id8">
<script type="text/javascript">
var cc=document.getElementsByTagName("input");
for(var i=0;i<cc.length-1;i++)
{
if(cc[i].name=="name1")
document.write("<br>"+cc[i].id);
document.write("<br>");
}
</script>
</body>
</html>
<script language="javascript">
var str=[];
$(document).ready(function(){
str= $("#div1 input[name='name1']");
alert(str.length);
for(var i=0;i<str.length;i++){
alert($(str[i]).attr("id"));
}
});</script>