首頁猿問 cloneNode報錯

cloneNode報錯

JavaScript

慕先生4463397 2017-05-03 20:28:28

<!DOCTYPE html><html><head><meta charset="UTF-8"><meta name="description" content=""><meta name="keywords" content=""><title>Examples</title><style type="text/css">??? *{margin: 0;padding: 0;}??? a{text-decoration: none;color: #333;}??? ul,li{list-style: none;}??? body{font-size: 14px;font-family: "微軟雅黑";}</style></head><body><div id="box">??? 112444??? <span>22</span></div>??? <script type="text/javascript">??? var box = document.getElementById("box");??? fn(box.nextSibling.nodeName);//nextSibling返回此對象往后的緊跟節(jié)點,以對象方式返回;nodeName返回節(jié)點名稱??? var copy=document.getElementById("box").lastChild.cloneNode("aaa");??? document.getElementsByTagName("span").appendChild(copy);??? function fn(value){??????? return document.write(value+'\n');??? }??? </script></body></html>實在找不到這26行哪里錯了

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1 回答

已采納

西蘭花偉大炮

TA貢獻376條經(jīng)驗獲得超318個贊

<!DOCTYPE?html>
<html>
<head>
<meta?charset="UTF-8">
<meta?name="description"?content="">
<meta?name="keywords"?content="">
<title>Examples</title>
<style?type="text/css">
????*{margin:?0;padding:?0;}
????a{text-decoration:?none;color:?#333;}
????ul,li{list-style:?none;}
????body{font-size:?14px;font-family:?"微軟雅黑";}
</style>
</head>
<body>
<div?id="box">
????112444
????<span>22</span>
</div>
????<script?type="text/javascript">
????var?box?=?document.getElementById("box");

????fn(box.nextSibling.nodeName);//nextSibling返回此對象往后的緊跟節(jié)點,以對象方式返回;nodeName返回節(jié)點名稱
????var?copy=document.getElementById("box").lastChild.cloneNode("aaa");

????document.getElementsByTagName("span")[0].appendChild(copy);



????function?fn(value){
????????return?document.write(value+'\n');
????}
????</script>
</body>
</html>

因為返回的html集合，要用索引取，26行加上索引，就沒錯了，但是不知道你代碼想干嘛

1 反對回復(fù) 2017-05-03