<div class="t">
<span class="y" id="A1">A</span>
<span class="y" id="B1">B</span>
<span class="y" id="C1">C</span>
...
</div>如何获取A1 B1 C1 ... ?
3 回答
已采纳
weibo_哆啦A梦有大口袋_0
TA贡献107条经验 获得超146个赞
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>测试</title>
</head>
<body>
<div class="t">
<span id="A1" class="red">A</span>
<span id="B1" class="green">B</span>
<span id="C1" class="blue">C</span>
</div>
</body>
</html>
<script type="text/javascript">
//DOM节点加载完成后执行
window.onload=function(){
var A=document.getElementById('A1');
var B=document.getElementById('B1');
var C=document.getElementById('C1');
//测试
var Aclass=A.getAttribute("class");
var Bid=B.getAttribute("id");
var Cclass=C.getAttribute("class");
alert(Aclass+Bid+Cclass);
}
</script>出于对回答者的认同和尊重，解决了你的问题，请采纳，谢谢
柠檬酸钠
TA贡献331条经验 获得超534个赞
var spans = document.getElementsByClassName('t')[0].getElementsByTagName('span');
for (var i=0;i<spans.length;i++) {
console.log(spans[i].getAttribute('id'));
}
黑色旋风
TA贡献20条经验 获得超25个赞
<script>
var t = document.getElementById('A1');
document.write(t.getAttribute('id'));
</script>呐，getAttribute()。
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