JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">
    <div id="names">
        <div class="subheader">Other names</div>
        <div class="subtext"></div>
    </div>
    <div id="age">
        <div class="subheader">Age</div>
        <div class="subtext"></div>
    </div>
</div>

JavaScript

$('#content > #names > .subtext').html('some name');