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javascriptjquerytwitter-bootstrapbootstrap-datepicker

Date range not selected in calendar after value changed programmatically

I am using BootStrap Datepicker daterange feature. When I set the dates programmatically, the calendars don't display correctly the selection.
My codes:

<div class="input-group input-daterange">
    <input type="text" id="startDate"
        class="form-control" name="startDate" value="2020-08-01"> 
    <span class="input-group-addon">to</span> 
    <input type="text" id="endDate" 
        class="form-control" name="endDate" value="2020-08-08">
</div> 

<script>
$(document).ready(function() {
    $('.input-daterange').datepicker( { 
        format: 'yyyy-mm-dd',
        autoclose: true
    });         
       
    //change date
    $('#startDate').val('2022-01-19');  
    $('#endDate').val('2022-01-29');      
    
    var startDate = new Date($('#startDate').val());
    var endDate = new Date($('#endDate').val());

    var $start = $(".input-daterange").find('#startDate');
    var $end = $(".input-daterange").find('#endDate')   
    $start.datepicker('setStartDate', startDate);
    $end.datepicker('setEndDate', endDate);
});     
</script>

Expected behaviour enter image description here

Actual behaviour enter image description here

Other than the calendar display, there are 2 more problems:

  1. Start date calendar doesn't auto close after selected

  2. Start date doesn't use the format (yyyy-mm-dd). After selected it become mm/dd/yyyy

Version used

datepicker : v1.9.0
bootstrap: v3.4.1
jquery: v3.4.1

Update on 22-Jun:
I changed my code to:

$start.datepicker('setDate', startDate);
$end.datepicker('setDate', endDate);

Now it is better:

enter image description here

Nevertheless, this is not what I expected. I don't mind 29th is not highlighted with darker grey in start date calendar. The real problem is 19th is not highlighted/ selected at all in end date calendar.

Solution

  • Code/Demo:

    <!doctype html>
<html lang="en">
  <head>
    <title>Title</title>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.9.0/css/bootstrap-datepicker.min.css">
    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
  </head>
  <body>
    <div class="container">
        <div class="input-group input-daterange">
            <input type="text" id="startDate"
                class="form-control" name="startDate" value="2020-08-01"> 
            <span class="input-group-addon">to</span> 
            <input type="text" id="endDate" 
                class="form-control" name="endDate" value="2020-08-08">
        </div> 
    </div>
    <!-- Optional JavaScript -->
    
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.9.0/js/bootstrap-datepicker.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
    <script>
        $(document).ready(function() {
            $('.input-daterange').datepicker( {
                format: 'yyyy-mm-dd',
                autoclose: true,
            });         
               
            //change date
            $('#startDate').val('2022/01/19');  
            $('#endDate').val('2022/01/29');      
            
            var startDate = new Date($('#startDate').val());
            var endDate = new Date($('#endDate').val());
        
            var $start = $(".input-daterange").find('#startDate');
            var $end = $(".input-daterange").find('#endDate')   
            $start.datepicker('setDate', startDate);
            $end.datepicker('setDate', endDate);
        });     
        </script>
    </body>
</html>

    Explanation:

    I changed this from:

    $start.datepicker('setStartDate', startDate);
$end.datepicker('setEndDate', endDate);

    to:

    $start.datepicker('setDate', startDate);
$end.datepicker('setDate', endDate);

    I also had to change:

     $('#startDate').val('2022-01-19');  
 $('#endDate').val('2022-01-29');

    to:

    /*UPDATED from using dashes to slashes*/
 $('#startDate').val('2022/01/19');  
 $('#endDate').val('2022/01/29');

    Additionally, from your code by default it seemed to keep the right format that you wanted and the startdate datepicker closed for me upon clicking or entering a new date as you can see in the snippet above. Let me know if you have any questions.