請問我的哪里不對？
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>無標(biāo)題文檔</title>
</head>
<body>
<ul id="test">
<li >JavaScript</li>
<li id="x1">HTML</li>
? ??
</ul>?
?
<script type="text/javascript">
? var otest = document.getElementById("test");?
? var node = document.getElementById("x1");
? var newnode = document.createElement("li");
? newnode.innerHTML="php";
? otese.insertBefore(newnode,node);
??
??
??
</script>?
</body>
</html>
2016-07-30
?otese.insertBefore(newnode,node); ? ? ?是不是此處單詞寫錯otest