JSFiddle - React, Tailwind, and code Playground
by Addy Osmani
HTML
<div class="share_posts">share posts</div>
<div class="share_posts">share posts</div>
<div class="share_posts">share posts</div>
<div class="share">share</div>
<div class="share">share</div>
JavaScript
alert($('.share').length);