CODE EXAMPLE FOR JAVASCRIPT

html select structure

<select name="Car">
  <option value="mercedes">Mercedes</option>
  <option value="tesla">Tesla</option>
  <option value="volvo" selected>Volvo</option>
  <option value="bmw">BMW</option>
  <option value="mini">Mini</option>
  <option value="ford">Ford</option>
</select>