runTime.js

//用途: 紀錄網站架站開始時間
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 ageCalc() {
    var hellowWorld = "本站已誕生" + daysold + "天" + hrsold + "小時" + minsold + "分" + seconds + "秒";
    var birthDay = NewDate("2021-07-25");
    var today = new Date();
    var timeold = today.getTime() - birthDay.getTime();
    var sectimeold = timeold / 1000
    var secondsold = Math.floor(sectimeold);
    var msPerDay = 24 * 60 * 60 * 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("hellowWorld").innerHTML = "本站已誕生" + daysold + "天" + hrsold + "小時" + minsold + "分" + seconds + "秒";
    setTimeout(ageCalc, 1000);
}
ageCalc();