cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - Activehtmlicon-personicon-teamoctocatpop-outspinnerstartv

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              Function.prototype.computed = function() {
    return { computed: true, func: this };

var Computize = function(obj) {
    for(var prop in obj) {
        if(typeof obj[prop] == 'object' && obj[prop].computed === true) {
            var func = obj[prop].func;
            delete obj[prop];
            Object.defineProperty(obj, prop, {
                get: func,
                set: func
    return obj;

var User = Computize({
    firstName: 'Tony',
    lastName: 'Stark',
    name: function() {
        if(arguments.length > 0) {
            var parts = arguments[0].toString().split(/ /);
            this.firstName = parts[0];
            this.lastName = parts[1] ? parts[1] : this.lastName;
        return this.firstName + ' ' + this.lastName;

log(User.name); // Tony Stark
User.name = 'Krasimir Tsonev';
log(User.firstName); // Krasimir
log(User.lastName); // Tsonev
log(User.name); // Krasimir Tsonev 

function log(str) {
  document.querySelector('body').innerHTML += str + '<br />';

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