统计网站运行时间的JavaScript代码

<span id=”showsectime” style=”color:#FF0000;”>网站已安全运行1天1时1分1秒</span>

<script type=”text/javascript”>

    function NewDate(str) {
        str = str.split(‘-‘);
        var date = new Date();
        date.setUTCFullYear(str[0], str[1] – 1, str[2]);
        date.setUTCHours(0, 0, 0, 0);
        return date;
    }

    function showsectime() {
        var birthDay =NewDate(“2014-08-14”);
        var today=new Date();
        var timeold=today.getTime()-birthDay.getTime();

        var sectimeold=timeold/1000
        var secondsold=Math.floor(sectimeold);
        var msPerDay=246060*1000;

        var e_daysold=timeold/msPerDay;
        var daysold=Math.floor(e_daysold);
        var e_hrsold=(daysold-e_daysold)-24;
        var hrsold=Math.floor(e_hrsold);
        var e_minsold=(hrsold-e_hrsold)-60;
        var minsold=Math.floor((hrsold-e_hrsold)*-60);

        var seconds=Math.floor((minsold-e_minsold)*-60).toString();
        document.getElementById(“showsectime”).innerHTML = “网站已安全运行”+daysold+”天”+hrsold+”时”+minsold+”分”+seconds+”秒”;
        setTimeout(showsectime, 1000);
    }

    showsectime();

</script>