JSFiddle - React, Tailwind, and code Playground

HTML

<div>Пользователи:</div>
  <ul>
    <li>Маша</li>
    <li>Вовочка</li>
  </ul>

JavaScript

var elem = document.body.children[0].innerHTML;
alert(elem);
var elem2 = document.body.children[1].innerHTML;
alert(elem2);