<select name="cars" id="cars">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>

const $select = document.querySelector('#cars');

for (let i = 0; i < $select.options.length; i++) {
  const option = $select.options[i];
  console.log(`index: ${i}, value: ${option.value}, text: ${option.text}`);
}

Is this what you want?