JavaScript) 브라우저 창 새로고침 이후에도 스크롤 유지하기

var element = document.querySelector("#layout-nav");

    var scroll_position = localStorage.getItem("sidebar-scroll");
    if (scroll_position !== null) {
        console.log("scroll position : ",scroll_position)
        element.scrollTop = parseInt(scroll_position, 10);
    }

    window.addEventListener("beforeunload", () => {
        localStorage.setItem("sidebar-scroll", element.scrollTop);
    });

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