<html>
<head>
<title></title>
<script language="JavaScript"><!--
function sel()
{
if(window.confirm("really do?")){
document.myFORM.sellist.value=document.myFORM.list1.value
}else{
document.myFORM.list1.value=document.myFORM.sellist.value
}
}
// --></script>
</head>
<body onLoad="document.myFORM.sellist.value=document.myFORM.list1.value">
<form name="myFORM">
<select name="list1" onchange="sel();">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
<input type="hidden" name="sellist" value="" >
</form>
</body>
</html>
<head>
<title></title>
<script language="JavaScript"><!--
function sel()
{
if(window.confirm("really do?")){
document.myFORM.sellist.value=document.myFORM.list1.value
}else{
document.myFORM.list1.value=document.myFORM.sellist.value
}
}
// --></script>
</head>
<body onLoad="document.myFORM.sellist.value=document.myFORM.list1.value">
<form name="myFORM">
<select name="list1" onchange="sel();">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
<input type="hidden" name="sellist" value="" >
</form>
</body>
</html>
afeinotebook(afei):借用zhuomaocn(烦啊)的代码(他的代码和返回值是两码事),你试试?
<html>
<head>
<title></title>
<script language="JavaScript"><!--
function sel()
{
//alert("onchange");
event.returnValue=false;
return false;
}
// --></script>
</head>
<body>
<form name="myFORM">
<select name="list1" onchange="return sel();">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4" selected>4</option>
<option value="5">5</option>
</select>
</form>
</body>
</html>