沒(méi)有出來(lái)結(jié)果，不知道哪里錯(cuò)了....
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>無(wú)標(biāo)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 node=document.getElementsByTagName("li").[1];
? var newnode=document.createElement("li");
? newnode.innerHTML="PHP";
? otest.insertBefore(newnode,node);
</script>?
</body>
</html>
2019-06-21
var otest = document.getElementById("test");??
? var sp=document.createElement('li');
? sp.innerHTML='php';
? otest.insertBefore(sp,otest.childNodes[1]);
2018-09-28
? var otest = document.getElementById("test");??
? var new_li = document.createElement("li");
? new_li.innerHTML = "php";
??
? otest.insertBefore(new_li,otest.lastChild);
2018-09-06
var node=document.getElementsByTagName("li").[1]中[1]前面不應(yīng)該有一點(diǎn).,去掉就運(yùn)行出來(lái)了
2018-08-10
哪里？
2018-08-09
a 。。。。。發(fā)現(xiàn)問(wèn)題了....