<script type="text/javascript">

       var today=new Date();     //定義當(dāng)天日期對象

       var year = today.getYear();     //獲取年份

       var month = today.getMonth();   //獲取月份

       var date = today.getDate();     //獲取日期值

       try{

           //定義下個(gè)日期對象，日期值加上30天

           var nextDay = new Date(year,month,date+30);   

           //把下個(gè)日期對象信息打印出來

           document.write(nextDay.getYear(),'<br>');

           document.write(nextDay.getMonth()+1,'<br>');

           document.write(nextDay.getDate(),'<br>');

       }catch(e){

           alert(e.message);

       }

</script>

運(yùn)行結(jié)果：

2009
10
11