应该是标答
来源：9-13 插入节点insertBefore()
君黙笑
2021-01-16 15:56
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
</head>
<body>
<ul id="test"><li>JavaScript</li><li>HTML</li></ul>
<script type="text/javascript">
var otest = document.getElementById("test");
var node = document.getElementById("li");
var newnode = document.createElement("li");
newnode.innerHTML = "PHP";
otest.insertBefore(newnode,otest.childNodes[1]);
</script>
</body>
</html>
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2回答
-
- qq_慕无忌7015432
- 2021-03-02 15:46:51
var otest = document.getElementById("test");
var node = document.getElementById("li");
var newnode = document.createElement("li");
newnode.innerHTML ="php";
otest.insertBefore(newnode.otest.childNodes[1]);
不知道错哪了
-
- youlan_lan
- 2021-02-24 15:53:48
<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>无标题文档</title></head><body><ul id="test"><li>JavaScript</li><li>HTML</li></ul> <script type="text/javascript"> var otest = document.getElementById("test"); var newnode = document.createElement("li"); newnode.innerHTML = "PHP"; otest.insertBefore(newnode,otest.lastChild);</script> </body></html>
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