JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <ul>
        <li class="share-google-plus-1">
            <a href="#">
                <span></span>
            </a>
        </li>
        <li>
            <a href="#">
                <span></span>
            </a>
        </li>
    </ul>
</div>

JavaScript

$( "li.share-google-plus-1 a span" ).append( '<span class="share-count">this should be added where the \'x\' is</span>' );