<select>
значениями от 1 до 100?<select>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
</select>
<select id="select"></select>
const select = document.querySelector('#select');
for (let i = 1; i <= 100; i++) {
const option = document.createElement('option');
option.textContent = option.value = i;
select.append(option);
}