The number of milliseconds obtained in the background, the function is processed into hours, minutes, and seconds

function MillisecondToDate(msd) {
    var time = parseFloat(msd) / 1000;
if (null != time && "" != time) {
        if (time > 60 && time < 60 * 60) {    
            time = parseInt(time / 60.0) + "分钟" + parseInt((parseFloat(time / 60.0) -
                parseInt(time / 60.0)) * 60) + "秒";
        }
        else if (time >= 60 * 60 && time < 60 * 60 * 24) {
            time = parseInt(time / 3600.0) + "小时" + parseInt((parseFloat(time / 3600.0) -
                parseInt(time / 3600.0)) * 60) + "分钟" +
                parseInt((parseFloat((parseFloat(time / 3600.0) - parseInt(time / 3600.0)) * 60) -
                    parseInt((parseFloat(time / 3600.0) - parseInt(time / 3600.0)) * 60)) * 60) + "秒";
        }
        else {
            time = parseInt(time) + "秒";
        }
    }
    return time;
}