<script?type="text/javascript">
window.onload?=?add;
function?add()
{
??? ? var?con=document.getElementsByTagName("li");
???? for?(var?i=0;?i<?con.length;i++){
???? var?text?=?con.getAttribute ("title");
?????? if(text!=null)
?????? {
???????? document.write(text+"<br>");
?????? }
???? }?
}
?</script>?
</head>
<body>???
<p?id="intro">課程列表</p>??
????<ul>??
????????<li?title="第1個li">HTML</li>??
????????<li>CSS</li>??
????????<li?title="第3個li">JavaScript</li>??
????????<li?title="第4個li">Jquery</li>??
????????<li>Html5</li>??
????</ul>??
<p>以下為獲取的不為空的li標簽title值:</p>
</body>
運行text不顯示，求大神解答
EricPan
2015-10-05 14:49:56
