Keep the background color of the navbar after reload without using cookies

sticky-menu.js

 window.addEventListener("scroll", function() {
      if (window.scrollY > 150) {
        document.querySelector("#jsc-nav").style.background = "rgba(0,0,0,0.9)";
      } else {
        document.querySelector("#jsc-nav").style.background = "transparent";
      }
    });

    // Scroll and keep the background navbar color after reload
    $(document).ready(function() {
      checkHeaderStatus();
      $(window).scroll(function() {
        checkHeaderStatus();
      });
    });

    function checkHeaderStatus() {
      var navbar = $("#jsc-nav");
      var scrollPosition = $(window).scrollTop();
      if (scrollPosition < 150) {
        navbar.css("background-color", "transparent");
      } else {
        navbar.css("background-color", "rgba(0,0,0,0.9)");
      }
    }