JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://github.com/js-cookie/js-cookie/blob/master/src/js.cookie.js"></script>
<input type="text" placeholder="email address" id="email_address">
<button type="submit" id="test_button">Test
</button>

JavaScript

$(document).ready(function() {


  $('#test_button').click(function() {

    alert('test');
    Cookies.set('user_email', email_address, {
      expires: 365
    });

  });
  $('#email_address').click(function() {
    var cookie_email = Cookies.get('user_email');
    $('#email_address').val(cookie_email);
  });
});