JSFiddle - React, Tailwind, and code Playground
HTML
<div class="sortable-item"></div>
<div class="sortable-item"></div>
<div class="sortable-item"></div>
<div class="sortable-item"></div>
JavaScript
const elements = document.querySelectorAll('.sortable-item');
console.log(elements.length);
for (let i = 0; i < elements.length; i++) {
console.log(elements[i]);
}