JS如何把视频时长duration转为时分秒

    var duration = '590'; //秒钟
    console.log(formatDuring(duration));

    json( 09:50 );

    function formatDuring(mss)
    {
        second = Math.ceil(mss);
        var minute = 0;
        var hour = 0;
        if (second > 0) {
            minute = parseInt(second/60);
            second = parseInt(second%60);
            if (minute > 60) {
                hour = parseInt(minute/60);
                minute = parseInt(minute%60);
            }
        }
        var time = '';
        if (minute == 0) {
            time += "00:" + parseInt(second);
        } else {
            time += parseInt(second);
        }
        if (minute != 0) {
            if (minute > 9) {
                if (time == 0) {
                    time = parseInt(minute) + ":" + time + '0';
                } else {
                    time = parseInt(minute) + ":" + time;
                }
            } else {
                time = "0" + parseInt(minute) + ":" + time;
            }
        }
        if (hour > 0) {
            time = parseInt(hour) + ":" + time;
        }
        return time;
    }
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