How to make selection of multiple days Bootstrap 5?

Question

JavaScript

Hello, how can I make the same choice of days:


I tried this way but it didn’t work ..

<div class="col-auto">
                    <input size="16" type="text" class="form_datetime">

                    <script type="text/javascript">
                        $(".form_datetime").datepicer
                    </script>
                </div>