for(var i=0;i<document.formname.selectname.options.length;i++)
{
if(document.formname.selectname.options[i].selected==true)
{
alert(document.formname.selectname.options[i].text)
}
}
{
if(document.formname.selectname.options[i].selected==true)
{
alert(document.formname.selectname.options[i].text)
}
}
<body><script language=javascript>
function s()
{
for(var i=0;i<document.f.model.options.length;i++)
{
if(document.f.model.options[i].selected==true)
{
alert(document.f.model.options[i].text + "选中")
}
}}
</script>
<form name="f" method="post" action="test.asp" >
<select size="6" name="model" multiple style="width:200">
<option value="a">a</option>
<option value="b">b</option>
<option value="c">c</option>
<option value="d">d</option>
<option value="e">e</option>
</select>
<input type=button value=submit onclick="s()">
</form>
</body>
<script language=javascript>
function s(){
with(document.f.model){
for(var i=0;i<length;i++)
if(options[i].selected==true)
alert(options[i].text + "选中")
}
}
</script>
<form name="f" method="post" action="test.asp" >
<select size="6" name="model" multiple style="width:200">
<option value="a">a</option>
<option value="b">b</option>
<option value="c">c</option>
<option value="d">d</option>
<option value="e">e</option>
</select>
<input type=button value=submit onclick="s()">
</form>
</body>