JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/axe-core/4.7.2/axe.min.js"></script>

<div class="include">
  <a href="https://example.com" class="ext" data-extlink="" target="_blank" rel="noopener">
    click here
    <span class="fa-ext extlink">
      <i class="fa fa-external-link" aria-label="(link is external)"></i>
    </span>
  </a>
</div>

JavaScript

axe
  .run([`.include`])
  .then(results => {
    if (results.violations.length) {
      console.log(results.violations);
    }
  });