Auto Update Copyright Year Javascript

<div class="copyright">
<footer>Copyright © <span id="year"></span> , All rights reserved to X</footer>
</div>
<script>

function getCurrentYear() {
return new Date().getFullYear(); // returns the year via local timing
};

document.getElementById("year").innerHTML = getCurrentYear();
//changing the inner html of the span with "year" id to the given year(2021)
</script>