获取时间

<!DOCTYPE html>
<html>
<body>
<div id="txt"></div>
<script>
    function startTimes(){   
        var today=new Date();
        console.log(today);
        var h=today.getHours();
        console.log(h);
        var m=today.getMinutes();
        console.log(m);
        var s=today.getSeconds();
        console.log(s);
        m=checkTime(m);
        s=checkTime(s);
        document.getElementById('txt').innerHTML=h+":"+m+":"+s
        t=setTimeout('startTimes()',500);
    }
    startTimes();
    function checkTime(i) {
        if (i<10) {
            i="0"+i
        }
        return i;
    }
    var date = new Date();
    var weekDay = new Array(7);
        weekDay[0] = "星期日";
        weekDay[1] = "星期一";
        weekDay[2] = "星期二";
        weekDay[3] = "星期三";
        weekDay[4] = "星期四";
        weekDay[5] = "星期五";
        weekDay[6] = "星期六";
        alert(weekDay[date.getDay()]);
</script>

</body>
</html>

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转载自blog.csdn.net/lwwlyk/article/details/81663149