Simple Angular timer filter

gistfile1.js

// usage {{ 122 | timer }}
.filter("timer", function () {
        return function (time) {
            var sec = time % 60,
                min = parseInt(time/60) % 60,
                hou = parseInt(time/3600) % 60

            sec < 10 && (sec = '0'+sec)
            min < 10 && (min = '0'+min)
            hou < 10 && (hou = '0'+hou)

            return hou+":"+min+":"+sec
        }
})