//在当天的基础上加上一天,取得的天数如果比当天的小,表示是最后一天var d=new Date();
var day=d.getDate();
day=day+1;
d.setDate(day);
var day2=d.getDate();if(day2<day){
alert("是最后一天");
}
var day=d.getDate();
day=day+1;
d.setDate(day);
var day2=d.getDate();if(day2<day){
alert("是最后一天");
}
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>New Page 2</title>
<script language="javascript">
function Test()
{var d=new Date();
var day=d.getDate();
day2=day+1;
d.setDate(day2);
var day2=d.getDate();alert(day);
alert(day2);
if(day2>day){
alert("不是最后一天");
}
else
{
alert("是最后一天");
}}
</script>
<body>
<p><input type=button value="提交" name="B1" onclick="javascript:Test()"></p>
</body></html>
var d=new Date();
var day=d.getDate();
day=day+1;
d.setDate(day);
var day2=d.getDate();
if(day2 < day)
alert("是最后一天");
else
alert("不是最后一天");
}