日期检查的javascript代码

日期检查的javascript代码

function isDate(day,month,year) {
// let's first check the user entered numbers
if (isNaN(Date.parse(month+"/"+day+"/"+year))) {
return false;
}
var dd = parseInt(day,10);
// beware !! the computer handles monthes from 0 to 11.
var mm = parseInt(month,10)-1;
var yy = parseInt('20'+year,10);
var date = new Date(yy,mm,dd);
//let's now compare the user's entry with what the computer understand of it
if (dd!=date.getDate() || mm!=date.getMonth() || yy!=date.getFullYear()) {
return false;
}
return true;
}