如下所示;
复制代码代码如下:
<! Doctype html public "-// w3c // dtd xhtml 1.0 transisi // en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns = "http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv = "konten tipe" content = "text /html; charset = utf-8" />
<title> 无标题文档 </iteme>
<type skrip = "Teks/JavaScript">
function change_bg (obj)
{
var a = document.geteLementById ("menu"). getElementsByTagname ("a");
untuk (var i = 0; i <a.length; i ++)
{
a [i] .className = "";
}
obj.classname = "saat ini";
}
</script>
<type style = "text/css">
tubuh{
font-size: 17px;
}
.saat ini{
Latar Belakang: Merah;
}
#container ul
{
Daftar-gaya-tipe: tidak ada;
}
#Container ul li
{
float: kiri;
margin-kanan: 3px;
}
#container ul li a {
Dekorasi Teks: Tidak Ada;
Warna:#000;
}
</tyle>
</head>
<body>
<Div id = "container">
<ul id = "menu">
<li> <a href = "javascript:" onclick = "change_bg (this)"> menu1 </a> </li>
<li> <a href = "javascript:" onclick = "change_bg (this)"> menu2 </a> </li>
<li> <a href = "javascript:" onclick = "change_bg (this)"> menu3 </a> </li>
<li> <a href = "javascript:" onclick = "change_bg (this)"> menu4 </a> </li>
<li> <a href = "javascript:" onclick = "change_bg (this)"> menu5 </a> </li>
</ul>
</div>
</body>
</html>