HTML DOM title 属性

定义和用法

title 属性设置或返回元素的(咨询性质的)标题。

语法:

object.title=title

实例 1

本例展示了两种获取 <body> 元素的 title 属性的方法:

<html>
<body id="myid" title="mytitle">

<script type="text/javascript">
x=document.getElementsByTagName('body')[0];
document.write("Body title: " + x.title);
document.write("<br />");
document.write("An alternate way: ");
document.write(document.getElementById('myid').title);
</script>

</body>
</html>

实例 2

本例返回图像映射中某个区域的 title:

<html>
<body>

<img src ="planets.gif"
width="145" height="126"
alt="Planets"
usemap ="#planetmap" />

<map name ="planetmap">
<area id="venus" shape="circle"
coords ="124,58,8"
title="Venus"
href ="venus.htm"  />
</map>

<p>Venus' advisory title (mouse over the Venus planet): 
<script type="text/javascript">
x=document.getElementById('venus')
document.write(x.title)
</script>
</p>

</body>
</html>