JQurey
1 <script src="jquery.min.js" type="text/javascript"></script>
2 <script language="javascript" type="text/javascript">
3 $(document).ready(function(){
4 $('#mySelect').change(function(){
5 alert($(this).children('option:selected').val());
6 var p1=$(this).children('option:selected').val();//这就是selected的值
7 var p2=$('#param2').val();//获取本页面其他标签的值
8 window.location.href="xx.php?param1="+p1+"¶m2="+p2+"";//页面跳转并传参
9 })
10 })
11 </script>
12
13 <select id="mySelect">
14 <option value="1">one</option>
15 <option value="2" selected="selected">two</option>
16 <option value="3">three</option>
17 </select>
18 <input type="text" value="ooo" name="param2" id="param2"/>JS
<HTML >
<head >
<SCRIPT language="javascript" >
function showpublishtel(num)
{
if(num=="18")
{
document.all.aa.innerText="DEF："
}
if(num=="16")
{
document.all.aa.innerText="ABC："
}
}
</SCRIPT >
</HEAD >
<BODY >
<form name="form" action="" method="post" >
<table >
<div id="aa" >年龄: </div >
<td >
<SELECT id="age" name="age" οnchange="showpublishtel(this.options[this.selectedIndex].value);" >
<OPTION value=16 >16岁 </OPTION >
<OPTION value=18 >18岁 </OPTION >
<OPTION value=20 >20岁 </OPTION >
</select >
</td >
</table >
</form >
</BODY >
</HTML >