為啥運行了標簽加不進去啊
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>無標題文檔</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.childNode[1]);
??
</script>?
</body>
</html>
2021-04-16
啊不用了不用了，otest.childNode[1]少了個s，粗心了