timeFormat.js

//problem: the output is off, a freshly generated timestamp will give like -25 seconds.
//time = 1429378522.32 <- python time.time() stored in a database
function genTime(time) {
    var total_seconds = +new Date()/1000 - time; //divide date by 1000 then subtract the old time
        var MINUTE  = 60;
        var HOUR    = MINUTE * 60;
        var DAY     = HOUR * 24;
    var WEEKS   = DAY * 7;
    var MONTHS  = WEEKS * 4;
    var YEARS   = MONTHS * 12;

    var years   = Math.floor( total_seconds / YEARS);
        var days    = Math.floor( total_seconds / DAY );
    var weeks   = Math.floor( total_seconds / WEEKS );
    var months  = Math.floor( total_seconds / MONTHS);
        var hours   = Math.floor( ( total_seconds % DAY ) / HOUR );
        var minutes = Math.floor( ( total_seconds % HOUR ) / MINUTE );
        var seconds = Math.floor( total_seconds % MINUTE );

        string = {};
        if (days > 0) {
        string.day = days + " " + (days == 1 && "day" || "days" );
        }
        if (hours > 0)
                string.hours = hours + " " + (hours == 1 && "hour" || "hours" );
        if (minutes > 0) {
                string.minutes = minutes + " " + (minutes == 1 && "minute" || "minutes" );
        }
    if (weeks > 0) {
        string.weeks = weeks + " " + (weeks == 1 && "week" || "weeks" );
        }
    if (months > 0) {
        string.months = months + " " + (weeks == 1 && "week" || "weeks" );
        }
    if (years > 0) {
        string.years = + " " + (years == 1 && "year" || "years");

        }
    string.seconds = seconds + " " + (seconds == 1 && "second" || "seconds" );
        return string;
}

function Time(time, one) {
    var string = "";
    one = one || 1;

    if (one==0) {
        var time = genTime(time);
        if (time.years >=1) {
            return time.years;
        }
        if (time.months >= 1) {
            return time.months;
        }
        if (time.weeks <= 4) {
            return time.weeks;
        }
        if (time.days) {
            return time.days;
        }
        if (time.hours) {
            return time.hours;
        }
        if (time.minutes) {
            return time.minutes
        }
        if (time.seconds){
            return time.seconds;
        } else {
            return 0 + 'S';
        }

    }
    if (one == 1) {
        var time = genTime(time);
        if (time.years){
            string = time.years + ", ";
        }
        if (time.months) {
            string = string + time.months + ", ";
        }
        if (time.days) {
            string = string + time.days + ", ";
        }
        if (time.minutes) {
            string = string + time.minutes + ", ";
        }
        if (time.seconds) {
            string = string + time.seconds;
        }

    return string;
    }
}