Nice count to number

jq.fn.counto.js

/// Nice count to number (by DUzun)

;(function (global, FUNCTION, Number) {
    var $ = global.jQuery || global.Zepto;

    $.fn.counto = function fcounto(nr,dl,done) {
        if(!dl) dl = 400;
        var start = $.now(),
            end   = start + dl,
            delay = 10,
            rwm = parseFloat,
            rwc,
            fx = S(nr).split('.');
        if(typeof xNumber === FUNCTION) {
            rwm = xNumber;
            rwc = xNumber;
        }
        fx = fx.length > 1 ? fx[1].length : 0;
        nr = rwm(nr);
        this.each(function (i, e) {
            var $this = $(e),
                data  = $this.data(),
                mh    = $this.is(':input') ? 'val' : 'text',
                v     = $this[mh](),
                val   = rwc ? new rwc(v) : rwm(v),
                ofs   = Number(val),
                last  = ofs,
                inter = ofs - nr,
                sv = function sv() {
                    if(data._cto) clearTimeout(data._cto);
                    var now = $.now(), v;
                    if(now < end && last != nr) {
                        v = (ofs - (now-start) / dl * inter).toFixed(fx);
                        data._cto = setTimeout(sv, delay);
                    } else {
                        v = fx ? nr.toFixed(fx) : nr;
                        delete data._cto;
                    }
                    if(v != last) {
                        last = v;
                        rwc ? (val.value = v) : (val = v);
                        $this[mh](val);
                    }
                    if(!data._cto) {
                        if(typeof done === FUNCTION) done.call(e, nr, val);
                    }
                } ;
            sv();
        });
    } ;

})(this, 'function', Number);

npm/jquery.counto