function checkIsValidDate(str)
{
//如果为空,则通过校验
if(str == "")
return true; var pattern = /^((\d{4})|(\d{2}))-(\d{1,2})-(\d{1,2})$/g;
if(!pattern.test(str))
return false;
var arrDate = str.split("-");
if(parseInt(arrDate[0],10) < 100)
arrDate[0] = 2000 + parseInt(arrDate[0],10) + "";
var date = new Date(arrDate[0],(parseInt(arrDate[1],10) -1)+"",arrDate[2]);
if(date.getYear() == arrDate[0]
&& date.getMonth() == (parseInt(arrDate[1],10) -1)+""
&& date.getDate() == arrDate[2])
return true;
else
return false;
}//~~~
{
//如果为空,则通过校验
if(str == "")
return true; var pattern = /^((\d{4})|(\d{2}))-(\d{1,2})-(\d{1,2})$/g;
if(!pattern.test(str))
return false;
var arrDate = str.split("-");
if(parseInt(arrDate[0],10) < 100)
arrDate[0] = 2000 + parseInt(arrDate[0],10) + "";
var date = new Date(arrDate[0],(parseInt(arrDate[1],10) -1)+"",arrDate[2]);
if(date.getYear() == arrDate[0]
&& date.getMonth() == (parseInt(arrDate[1],10) -1)+""
&& date.getDate() == arrDate[2])
return true;
else
return false;
}//~~~
function isDate(str)
{
var reg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/;
result = str.match(reg);
if(result == null)return false;
var d = new Date(result[1],result[3]-1,result[4])
var newStr = d.getFullYear()+result[2]+(d.getMonth()+1)+result[2]+d.getDate();
return str == newStr
}
alert(isDate("2004-5-1"))
alert(isDate("2004-5-32"))
alert(isDate("2004-2-30"))
</script>
function isDate(str)
{
var d = new Date(str)
return !isNaN(d)
}
</script>