Disable future dates after today in Jquery Ui Datepicker

In my case, I have given this attribute to the input tag

data-date-start-date="0d" data-date-end-date="0d"

This worked for me endDate: "today"

  $('#datepicker').datepicker({
        format: "dd/mm/yyyy",
        autoclose: true,
        orientation: "top",
        endDate: "today"

  });

SOURCE

Try this

 $(function() {
  $( "#datepicker" ).datepicker({  maxDate: new Date() });
 });

Or you can achieve this using as below:

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

Reference

DEMO

UPDATED ANSWER

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