這代碼那地方錯了運行不起來啊?。?！急急急?。?！
<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>無標題文檔</title>
</head>
<body>
<div>
??javascript??
??<p>javascript</p>
??<div>jQuery</div>
??<h5>PHP</h5>
</div>
<script?type="text/javascript">
?var?t=document.getElementsByTagName("div")[0].childNodes;
????for(var?i=0;i<t.length;i++;){
????????document.write(t[i].nodeName+"<br/>");
????????document.write(t[i].nodeType);
????????}?
?
</script>
</body>
</html>
2015-08-11
?for(var?i=0;i<t.length;i++;){這一行多了個;,刪掉即可
?for(var?i=0;i<t.length;i++){