求十天前的日期,结果计算错误

Question

alert(DateAdd(s,-10).getYear())
alert(DateAdd(s,-10).getMonth()+1)
alert(DateAdd(s,-10).getDate())

Answer 1

<SCRIPT LANGUAGE="JavaScript">
<!--
var s = "2004-11-11"
 
function DateAdd(cur,day)
{
 var d = new Date(cur.replace(/(-)/g,"\/"))
 var dd = new Date(Date.UTC(d.getYear(),d.getMonth(),d.getDate())+24*3600*1000*day)
 
 return dd;
}
 
alert(DateAdd(s,-10).getUTCMonth()+1)
alert(DateAdd(s,-10).getUTCDate())
//-->
</SCRIPT>