text: document.addEventListener("DOMContentLoaded", function() {
      // Activate sidebar nav
      var elems = document.querySelectorAll(".sidenav");
      M.Sidenav.init(elems);
      loadNav();
     
      function loadNav() {
          var xhttp = new XMLHttpRequest();
          xhttp.onreadystatechange = function() {
            if (this.readyState == 4) {
              if (this.status != 200) return;
         
              // Muat daftar tautan menu
              document.querySelectorAll(".topnav, .sidenav").forEach(function(elm) {
                elm.innerHTML = xhttp.responseText;
              });
         
              // Daftarkan event listener untuk setiap tautan menu
              document.querySelectorAll(".sidenav a, .topnav a").forEach(function(elm) {
                elm.addEventListener("click", function(event) {
                  // Tutup sidenav
                  var sidenav = document.querySelector(".sidenav");
                  M.Sidenav.getInstance(sidenav).close();
         
                  // Muat konten halaman yang dipanggil
                  page = event.target.getAttribute("href").substr(1);
                  loadPage(page);
                });
              });
            }
          };
          xhttp.open("GET", "nav.html", true);
          xhttp.send();
        }
      // Load page content
      var page = window.location.hash.substr(1);
      if (page == "") page = "home";
      loadPage(page);
      
      function loadPage(page) {
      var xhttp = new XMLHttpRequest();
      xhttp.onreadystatechange = function () {
        if(this.readyState == 4){
          var content = document.querySelector("#body-content");
  
          if(page == "home"){
            getStandings();
          }
          else if(page == "saved"){
            getSavedTeams();
          }
          else{
            getStandings();
          }
          
          if(this.status == 200){
            content.innerHTML = xhttp.responseText;
          }
          else if (this.status = 404){
            content.innerHTML = "<p> Halaman tidak ditemukan</p>";
          }
          else {
            content.innerHTML = "<p>Ups.. halaman tidak dapat diakses.</p>";
          }
        }
      }
      xhttp.open("GET", "pages/" + page + ".html", true);
      xhttp.send();
      }
    });