JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="instant-section">
    <li><a href="www.onet.pl" target="_blank">Item 1</a></li>
    <li><a href="www.onet.pl" target="_blank">Item 2</a></li>
    <li><a href="www.onet.pl" target="_blank">Item 3</a></li>
</ul>

CSS

ul > li:first-child {
    color: blue;
}

JavaScript

document.getElementsByClassName("instant-section")[0].getElementsByTagName("li")[1].click()