<h2>js实时输出年月日 星期 时分秒</h2> <h3 id="Time"></h3> <script> function startTime (obj) { var temp, tempStr, weekDay=["星期日","星期一", "星期二", "星期三", "星期四", "星期五", "星期六"] , now=new Date(), year=now.getFullYear(), month=now.getMonth()+1, day=now.getDate(), dayIndex=now.getDay(), week=weekDay[dayIndex], h=now.getHours(), min=now.getMinutes(), sec=now.getSeconds(), tempStr=year+"-"+checkTime(month)+"-"+checkTime(day)+"&nbsp;"+week+"&nbsp;"+checkTime(h)+":"+checkTime(min)+":"+checkTime(sec); document.getElementById(obj).innerHTML=tempStr; var args=arguments; setTimeout(function(){ args.callee(obj) },1000); function checkTime (i) { i=i<10?"0"+i:i; return i; } } startTime("Time"); </script>