个人博客添加运行时间

<script>
    function secondToDate(second) {
        if (!second) {
            return 0;
        }
        var time = new Array(0, 0, 0, 0, 0);
        if (second >= 365 * 24 * 3600) {
            time[0] = parseInt(second / (365 * 24 * 3600));
            second %= 365 * 24 * 3600;
        }
        if (second >= 24 * 3600) {
            time[1] = parseInt(second / (24 * 3600));
            second %= 24 * 3600;
        }
        if (second >= 3600) {
            time[2] = parseInt(second / 3600);
            second %= 3600;
        }
        if (second >= 60) {
            time[3] = parseInt(second / 60);
            second %= 60;
        }
        if (second > 0) {
            time[4] = second;
        }
        return time;
    }</script>
<script type="text/javascript" language="javascript">
    function setTime() {
        var create_time = Math.round(new Date(Date.UTC(2019, 01, 23, 11, 42, 23)).getTime() / 1000);
        var timestamp = Math.round((new Date().getTime() + 8 * 60 * 60 * 1000) / 1000);
        currentTime = secondToDate((timestamp - create_time));
        currentTimeHtml = 'Wyc‘s博客已经运行了：' + currentTime[0] + '年 ' + currentTime[1] + '天 '
                + currentTime[2] + '时 ' + currentTime[3] + '分 ' + currentTime[4]
                + '秒';
        document.getElementById("htmer_time").innerHTML = currentTimeHtml;
    }    setInterval(setTime, 1000);
</script>

<span id="htmer_time" />