JSFiddle - React, Tailwind, and code Playground

HTML

<div id="foo">
  <small>Menu updated</small>
  <span innerhtml="19 hours ago"></span>
</div>
<div id="bar">
  <small>Something Else</small>
  <span innerhtml="lolwhut"></span>
</div>

JavaScript

$('body').find('span[innerhtml]').each(function() {
    $(this).html($(this).attr('innerhtml'));
});