(function ($) {
  "use strict";


  // Preloader
  $(window).on('load', function () {
    if ($('#preloader').length) {
      $('#preloader').delay(100).fadeOut('slow', function () {
        $(this).remove();
      });
    }
  });


  //Get the button
  let mybutton = document.getElementById("btnBackToTop");
  // When the user scrolls down 20px from the top of the document, show the button
  window.onscroll = function() {
    scrollFunction();
  };

  function scrollFunction() {
    if (
      document.body.scrollTop > 20 ||
      document.documentElement.scrollTop > 20
    ) {
      mybutton.style.display = "block";
    } else {
      mybutton.style.display = "none";
    }
  }
  // When the user clicks on the button, scroll to the top of the document
  mybutton.addEventListener("click", backToTop);

  function backToTop() {
    document.body.scrollTop = 0;
    document.documentElement.scrollTop = 0;
  }


})(jQuery);