JSFiddle - React, Tailwind, and code Playground

HTML

<p>
<span class="target">Change me <a class="changeme" href="#">now</a></span>
</p>

JavaScript

$(document).ready(function() {
    $('a.changeme').click(function() {
        $('span.target').each(function() {
            var firstChild = this.firstChild;
            if (firstChild && firstChild.nodeType == 3) {
                firstChild.data = "Do it again";
            }
        });
    });
});