​

const wrapper = document.querySelector('.wrapper');

const selectTemplate = `

  <select>

    <option value="1">One</option>

    <option value="2">Two</option>

    <option value="3">Three</option>

    <option value="4">Four</option>

    <option value="5">Five</option>

  </select>

`

wrapper.insertAdjacentHTML('beforeend', selectTemplate);

​

const mySelect = document.querySelector('select');

const instance = new mdb.Select(mySelect);

instance.setValue('3')

​

​

​