Disable Future Dates in jQuery Ui Datepicker

$(function() { $("#datepicker").datepicker({  maxDate: '0'}); });

Try This:

$('#datepicker').datepicker({
    endDate: new Date()
});

It will disable the future date.

you can use the following.

$("#selector").datepicker({
    maxDate: 0
});

Code for Future Date only with disable today's date.

 var d = new Date();
         $("#delivdate").datepicker({
         showOn: "button",
         buttonImage: base_url+"images/cal.png",
         minDate:new Date(d.setDate(d.getDate() + 1)),
         buttonImageOnly: true
        });
         $('.ui-datepicker-trigger').attr('title',''); 

Date for the future 1 year can be done by

$('.date').datepicker({dateFormat: 'yy-mm-dd', minDate:(0), maxDate:(365)});

you can change the date format too by the parameter dateFormat

use zebra date pickers:

$('#select_month1').Zebra_DatePicker({
  direction: false,
  format: 'Y-m-d',
  pair: $('#select_month2')
});

$('#select_month2').Zebra_DatePicker({
  direction: 1, format: 'Y-m-d',
});

Yes, datepicker supports max date property.

 $("#datepickeraddcustomer").datepicker({  
             dateFormat: "yy-mm-dd",  
             maxDate: new Date()  
        });

$('#thedate,#dateid').datepicker({
     changeMonth:true,
         changeYear:true,
         yearRange:"-100:+0",
         dateFormat:"dd/mm/yy" ,
         maxDate: '0',
     });
});