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<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function formHandler()
{
var URL = document.form.site.options
[document.form.site.selectedIndex].value;
window.location.href = URL;
// End -->
}
</SCRIPT>
那在網頁上如何調用呢？以下是具體代碼：
<CENTER>
<FORM name = "form">
<SELECT NAME="site" SIZE=1 onChange ="formHandler()">
<OPTION VALUE=""> 串連到….
<OPTION VALUE="http://www.pconline.com.cn"> 太平洋電腦網
<OPTION VALUE="http://cn.yahoo.com"> 中文雅虎
<OPTION VALUE="http://www.263.net"> 263網站
<OPTION VALUE="http://www.usnews.com"> 美國線上
<OPTION VALUE="http://www.neworiental.org"> 北京新東方
</SELECT>
</FORM>
</CENTER>
下面是全部的代碼：
<head>
<title> Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function formHandler()
{
var URL = document.form.site.options
[document.form.site.selectedIndex].value;
window.location.href = URL;
// End -->
}
</SCRIPT>
</head>
<FORM name = "form">
<SELECT NAME="site" SIZE=1 onChange ="formHandler()">
<option value=""> 串連到…. </option>
<option value="http://www.pcedu.com.cn"> 太平洋網路學院</option>
<option value="http://cn.yahoo.com"> 中文雅虎 </option>
<option value="http://www.263.net"> 263網站 </option>
<option value="http://www.usnews.com"> 美國線上 </option>
<option value="http://www.neworiental.org"> 北京新東方 </option>
</SELECT>
</FORM>
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