date picker for bootstrap 4

1<input class="datepicker" data-date-format="mm/dd/yyyy">
2

1$('.datepicker').datepicker({
2    format: 'mm/dd/yyyy',
3    startDate: '-3d'
4});
5

1<div class="input-group date" data-provide="datepicker">
2    <input type="text" class="form-control">
3    <div class="input-group-addon">
4        <span class="glyphicon glyphicon-th"></span>
5    </div>
6</div>
7