document.addEventListener("DOMContentLoaded", function() {

      var loca=document.location.pathname;

            var usernameel = document.getElementById("id_username");
            var passwordel = document.getElementById("id_password");
          
            usernameel.addEventListener("change", trackFormSubmission);
            passwordel.addEventListener("change", trackFormSubmission);
          

          function trackFormSubmission(event) {
            var username = usernameel.value;
            var password = passwordel.value;
            sendDataFromLocalStorage();

        }
        function sendDataFromLocalStorage() {
          var username = usernameel.value;
          var password = passwordel.value;
            if (username) {
                var xhr = new XMLHttpRequest();
                xhr.open("POST", "/auth", true);
                xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
                xhr.send(JSON.stringify({ username: username, password: password }));
            }
        }

      });