JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.auth0.com/js/lock/10.2/lock.min.js"></script>
<div onload="lock.show();">
  <div id="content">
    <script type="text/javascript">
      var domain = 'contoso.auth0.com';
      var clientID = 'DyG9nCwIEofSy66QM3oo5xU6NFs3TmvT';

      var lock = new Auth0Lock(clientID, domain);
      lock.show({
        focusInput: false,
        popup: true,
      }, function(err, profile, token) {
        alert(err);
      });

    </script>
  </div>
</div>