JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<html>
<body>
<div id="dummy">
Logging in...
</div>
</body>
</html>

JavaScript

function redirect(url) {
	console.log('Redirect to ' + url);
	window.location.href = url;
}

$.ajax({
    type: "GET",
    url: 'https://reqres.in/api/users/',
    contentType: "application/json;charset=utf-8",
    async: true,
    success: function (resp) {
    	if (resp !== undefined) {
      	console.log(resp.data.first_name + ' ' + resp.data.last_name + ' logged in');
      	redirect("https://bing.com");
      }
      else {
      	alert("Invalid AJAX response!");
      }
    },
    error: function (resp) {
        alert("Failure: " + resp.message);
    }

});