<br>

<div class="form-outline mb-4">

  <input

    type="date"

    class="form-control"

    id="date1"

  />

  <label for="date1" class="form-label">Dato 1</label>

</div>

<div class="form-outline mb-4">

  <input

    type="date"

    class="form-control"

    id="date2"

    value="2021-03-18"

  />

  <label for="date1" class="form-label">Dato 2</label>

</div>

​

​

document.querySelectorAll('.form-outline').forEach((formOutline) => {

  new mdb.Input(formOutline).update();

});

​