<div role="spinbutton" aria-valuemin="0" aria-valuemax="100" aria-valuenow="10">
<button class="js-decrease" tabindex="-1" aria-label="decrease" type="button">-</button>
<input type="number" />
<button class="js-increase" tabindex="-1" aria-label="increase" type="button">+</button>
</div>
import Spinbutton from '@19h47/spinbutton';
const $element = document.querySelector('[role="spinbutton"]');
const spinbutton = new Spinbutton($element);
spinbutton.init();