how to add 30 days to a date in javascript




<script>
function today(x){
y=parseInt(x);
var d1=new Date((new Date()).getTime() + y*24*60*60*1000) ;
var rr = d1.toString('yyyy-MM-dd');
a=rr.split(' ');
d=a[2]+'-'+a[1]+'-'+a[3];
//return d ;
alert(d);
}
</script>

<input type="button" onclick="return today(0);" value="Today date"  />

<input type="button" onclick="return today(25);" value="NEXT 25 Days Date"  />


date picker in jquery  



$( ".txtdate" ).datepicker({
changeMonth: true,
changeYear: true
});
$( ".txtdate" ).datepicker( "option", "dateFormat", "dd-M-yy");
        $( ".txtdate" ).val(today('0'));




1. download necessary file from jquery 
2. call txtdate class in input box

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