<form id="fk-login-form">
  <input id="fk-email-input" type="email" />
  <input id="fk-password-input" type="password" />
  <input type="submit" />
</form>

<script>
    var initiateLogin = function() {

    // Add handler to submit event
    $("#fk-login-form").submit(function(e) {
      let username = $("#fk-email-input").val();
      let password = $("#fk-password-input").val();
      login(username, password);

      // Stop the from from reloading the page
      return false;
    });
  }
</script>