<script>
function checkStartEndDate()
{
var StartDate=new Date(document.all.sDate.value);
var EndDate =new Date(document.all.eDate.value);
if (StartDate>EndDate)
{
alert ('开始日期大于结束日期');
}
}
</script>
function checkStartEndDate()
{
var StartDate=new Date(document.all.sDate.value);
var EndDate =new Date(document.all.eDate.value);
if (StartDate>EndDate)
{
alert ('开始日期大于结束日期');
}
}
</script>
b="2003/5/23"
alert(new Date(a)<new Date(b))
a="2003/1/23"
b="2003/5/23"
alert(new Date(a)<new Date(b))
</script>