JQuery UI datepicker Date Range modifications

Question

I am using the basic JQuery UI datepicker, I need the date range with check in and check out but I need to add date + x days to the check out input.

How can I add x days to $.datepicker.parseDate( dateFormat, element.value );

Here is the code:

$(function() {

    function getDate(element) {
        var date;
        try {
            date = $.datepicker.parseDate(dateFormat, element.value);
        } catch (error) {
            date = null;
        }

        return date;
    }
    var dateFormat = 'dd MM yy',
        from = $('#CheckIn')
        .datepicker({
            minDate: 0,
            dateFormat: 'dd MM yy',
            defaultDate: '+1w',
            changeMonth: false,
            numberOfMonths: 1
        })
        .on('change', function() {
            to.datepicker('option', 'minDate', getDate(this));
        }),
        to = $('#CheckOut').datepicker({
            dateFormat: 'dd MM yy',
            defaultDate: '+1w',
            changeMonth: true,
            numberOfMonths: 1
        })
        .on('change', function() {
            from.datepicker('option', 'maxDate', getDate(this));
        });
});

When I select a date from "Check In" I want "Check Out" to only enable date + x days from the From selected day.

Any help would be much appreciated.

Thanks in advance!

Omprakash S · Accepted Answer · 2025-05-06 11:42:10Z

That Should work by modifying the onChange event of the #CheckIn datepicker:

$(function () {
  var dateFormat = 'dd MM yy',
      X = 2, // Number of days to add
      from = $('#CheckIn')
        .datepicker({
          minDate: 0,
          dateFormat: dateFormat,
          defaultDate: '+1w',
          changeMonth: false,
          numberOfMonths: 1
        })
        .on('change', function () {
          var checkInDate = getDate(this);
          if (checkInDate) {
            var checkOutMin = new Date(checkInDate);
            checkOutMin.setDate(checkOutMin.getDate() + X);

            to.datepicker('option', 'minDate', checkOutMin);
            to.datepicker('setDate', checkOutMin); 
          }
        }),
      to = $('#CheckOut').datepicker({
        dateFormat: dateFormat,
        defaultDate: '+1w',
        changeMonth: true,
        numberOfMonths: 1
      });

  function getDate(element) {
    var date;
    try {
      date = $.datepicker.parseDate(dateFormat, element.value);
    } catch (error) {
      date = null;
    }
    return date;
  }
});

Vasyl Rishko · Accepted Answer · 2025-05-06 12:27:45Z

0

If you need CheckOut to be available as range from CheckIn to CheckIn + maxDays:

$(function () {
  var maxDays = 7;
  var dateFormat = 'dd MM yy',
    from = $('#CheckIn')
      .datepicker({
        minDate: 0,
        dateFormat: dateFormat,
        defaultDate: '+1w',
        changeMonth: false,
        numberOfMonths: 1
      })
      .on('change', function () {
        var checkInDate = getDate(this)
        if (checkInDate) {
          var checkOutMax = new Date(checkInDate)
          checkOutMax.setDate(checkInDate.getDate() + maxDays)

          to.datepicker('option', 'minDate', checkInDate)
          to.datepicker('option', 'maxDate', checkOutMax)
        }
      }),
    to = $('#CheckOut').datepicker({
      dateFormat: dateFormat,
      defaultDate: '+1w',
      changeMonth: true,
      numberOfMonths: 1
    })
      .on('change', function () {
        from.datepicker('option', 'maxDate', getDate(this))
      })

  function getDate (element) {
    var date
    try {
      date = $.datepicker.parseDate(dateFormat, element.value)
    } catch (error) {
      date = null
    }
    return date
  }
})

answered May 6 at 12:27

Vasyl Rishko

12 bronze badges

1 Comment

Andy Dignall May 6 at 13:51

That worked a treat, thank you so much

Nicolas Lohan · Accepted Answer · 2025-05-06 13:12:46Z

With these changes, your code should work as expected:

Custom getDate() function: added interval as param for the date check as it needs to be returned to the CheckOut datepicker.
defaultDate and minDate settings: For ChekckIn: both where set to today's date (Now), assuming reservations should not start in the past. For CheckOut: dynamically calculated based on the selected CheckIn date plus the defined interval.
Event listener on CheckIn: changed from on to change.
Event listener on checkout removed: omitted, based on the assumption that rules only apply to setting the CheckOut based on CheckIn, and not the other way around.

$(function () {

    function getDate(element, interval) {
        var date;
        try {
            date = $.datepicker.parseDate(dateFormat, element.value);

            // Create instance of date from the datepicker element value and add the interval
            newDate = new Date(date);
            newDate.setDate(newDate.getDate() + parseInt(interval));

        } catch (error) {
            newDate = null;
        }

        // Return new date instead of date
        return newDate;
    }
    var dateFormat = 'dd MM yy',
        interval = 7,
        from = $('#CheckIn').datepicker({
            dateFormat: 'dd MM yy',
            minDate: 'Now',
            defaultDate: 'Now',     // Set both defaultDate and minDate to today's date, as it makes sense for CheckIn to start from today onward. Feel free to remove this if not needed.
            changeMonth: true,
            numberOfMonths: 1
        }).change(function () {
            to.datepicker('option', 'minDate', getDate(this, interval));
        }),
        to = $('#CheckOut').datepicker({
            dateFormat: 'dd MM yy',
            defaultDate: getDate(from, interval), // Set defaultDate based on CheckIn date
            minDate: getDate(from, interval),  // Also set minDate based on CheckIn date
            changeMonth: true,
            numberOfMonths: 1
        });

        // The checkout change listener was removed, based on the understanding that the rule applies exclusively to the CheckOut date.
});

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.13.2/jquery-ui.min.js"></script>
</head>
<body>
    <label for="CheckIn">CheckIn</label>
    <input type="text" name="CheckIn" id="CheckIn">

    <label for="CheckOut">CheckOut</label>
    <input type="text" name="CheckOut" id="CheckOut">

    <script src="script.js"></script>
</body>
</html>

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