<html>
<body>
<select onChange="changevalue()" id="selectCh">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input type="text" id="svalue"><input type="text" id="svalue2">
</select>
</body>
</html>
<script language="javascript">
function changevalue()
{
var kk=(document.getElementById('selectCh').value);//alert(''+ kk +'');if (kk==1);
{
document.getElementById('svalue').value=1;
document.getElementById('svalue2').value=1;
}
if(kk==2);
{
document.getElementById('svalue').value=2;
document.getElementById('svalue2').value=2;
}
if(kk==3);
{
document.getElementById('svalue').value=3;
document.getElementById('svalue2').value=3;
}}
</script>
<body>
<select onChange="changevalue()" id="selectCh">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input type="text" id="svalue"><input type="text" id="svalue2">
</select>
</body>
</html>
<script language="javascript">
function changevalue()
{
var kk=(document.getElementById('selectCh').value);//alert(''+ kk +'');if (kk==1);
{
document.getElementById('svalue').value=1;
document.getElementById('svalue2').value=1;
}
if(kk==2);
{
document.getElementById('svalue').value=2;
document.getElementById('svalue2').value=2;
}
if(kk==3);
{
document.getElementById('svalue').value=3;
document.getElementById('svalue2').value=3;
}}
</script>
if(kk==2);
if(kk==2);请把";"去掉。。
{
document.getElementById('svalue').value=1;
document.getElementById('svalue2').value=1;
}
if(kk==2)
{
document.getElementById('svalue').value=2;
document.getElementById('svalue2').value=2;
}
if(kk==3)
{
document.getElementById('svalue').value=3;
document.getElementById('svalue2').value=3;
}