Add Copyright Year to Your Site Properly Using JavaScript/jQuery

copyright.html

<small>
    &copy;<span id="copyright"></span> Some Company, LLC
</small>

<script>
    (function () {
        const startYear = 2017,
            currYear = new Date().getFullYear();
        const year = currYear > startYear ?
            `${startYear}-${currYear}` : startYear;

        //JavaScript
        document.getElementById('copyright').innerHTML = year;
        ////jQuery
        //$('#copyright').html(year);
    })();
</script>