const currentYear=document.getElementById("current-year");const scrollButton=document.getElementById("back-to-top-button");const displayScrollButton=()=>{window.addEventListener("scroll",(()=>{if(window.scrollY>100){scrollButton.style.display="block"}else{scrollButton.style.display="none"}}))};const scrollToTop=()=>{scrollButton.addEventListener("click",(()=>{window.scroll({top:0,left:0,behavior:"smooth"})}))};currentYear.innerHTML=(new Date).getFullYear();displayScrollButton();scrollToTop();