JSFiddle - React, Tailwind, and code Playground

HTML

<article class="blogpost">
    <p class="author">
        <a href="https://people.com/billsmith">Bill Smith</a>
    </p>
</article>

<article class="blogpost">
    <p class="author">
        <a href="https://people.com/billsmith">Bill Smith</a>
    </p>
</article>

JavaScript

$('p.author').each(function() {
    $('<img src="http://placehold.it/30x30" />').insertBefore($(this));
});