js获取子元素属性值的问题？
<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 ... ?
怪盗饭团浏览 2436回答 3
3回答
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weibo_哆啦A梦有大口袋_0
<!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
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
<script> var t = document.getElementById('A1'); document.write(t.getAttribute('id')); </script>呐，getAttribute()。
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JavaScript