// get user config var start_date = document.getElementById("runtionshow").getAttribute("start_date") function show_date_time() { window.setTimeout("show_date_time()", 1000); BirthDay=new Date(start_date);//這個日期是可以修改的 today=new Date(); timeold=(today.getTime()-BirthDay.getTime());//其實僅僅改了這裏 // sectimeold=timeold/1000 // secondsold=Math.floor(sectimeold); msPerDay=24*60*60*1000 e_daysold=timeold/msPerDay daysold=Math.floor(e_daysold); // e_hrsold=(e_daysold-daysold)*24; // hrsold=Math.floor(e_hrsold); // e_minsold=(e_hrsold-hrsold)*60; // minsold=Math.floor((e_hrsold-hrsold)*60); // seconds=Math.floor((e_minsold-minsold)*60); // span_dt_dt.innerHTML = "已運行  " + daysold + " 天 " + hrsold + " 時 " + minsold + " 分 " + seconds + " 秒"; webinfo_runtime_count.innerHTML= daysold + " 天" } show_date_time()