<?asp
'循环语句用于重复执行一段语句
dim i
i=0
do while i<5
response.write i
i=i+1
loop
?>
<?js
var msg=window.frames['form_area'].document.getElementById('msg').innerHTML;
var span=document.search_form.text;
span.value=Trim(span.value);if (span.value=="") alert('s'); }