JSFiddle - React, Tailwind, and code Playground

HTML

<a id="ajax-button" data-content="Smth" href="#">AJAX</a>
<div id="ajax-content"></div>

CSS

#ajax a {
  margin: 1em;
  padding: 1em;
  border: 1px solid red;
  background-color: #FFAAFF;
}

JavaScript

$(document).ready(function () {
  $('#ajax-button')
    .click(function () {
          
$("#ajax-content").html($("#ajax-button").data("content"));        
      return false;
    });
});