HTML DOM title 屬性
定義和用法
title 屬性設置或返回元素的標題。
語法
HTMLElementObject.title=title
瀏覽器支持
所有主要瀏覽器都支持title 屬性
實例
實例1
返回body 元素的title屬性：
<html>
<body id="myid" title="mytitle">
<script>
var 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>
<body id="myid" title="mytitle">
<script>
var 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>
輸出結果:
Body title: mytitle
An alternate way: mytitle
An alternate way: mytitle
嘗試一下»
實例2
返回圖像中的區域地圖標題：
<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>
var x=document.getElementById('venus')
document.write(x.title)
</script>
</p>
</body>
</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>
var x=document.getElementById('venus')
document.write(x.title)
</script>
</p>
</body>
</html>
嘗試一下»