Dynamically Date Range reset in jQuery UI date picker

Removes the datepicker functionality completely. This will return the element back to its pre-init state. 
Code :
$( "#start_date" ).datepicker( "destroy" );
$( "#end_date" ).datepicker( "destroy" );

jQuery Date picker ui select date range picker

Jquery UI Datepicker select date range between Two days

$( "#start_date" ).datepicker({
   minDate: new Datenew Date(1999, 10 - 1, 25),
   maxDate: new Datenew Date(1999, 10 - 1, 30),
   defaultDate: "+1w",
   changeMonth: true,
   numberOfMonths: 2,
   onClose: function( selectedDate ) {
      $( "#end_date" ).datepicker( "option", "minDate", selectedDate );
   }
});

$( "#end_date" ).datepicker({
   minDate: new Datenew Date(1999, 10 - 1, 25),
   maxDate: new Datenew Date(1999, 10 - 1, 30),
   defaultDate: "+1w",
   changeMonth: true,
   numberOfMonths: 2,
   onClose: function( selectedDate ) {
      $( "#start_date" ).datepicker( "option", "maxDate", selectedDate );
   }
});