Please don’t implement any other version because it will eat all your memory in your app: var Player = function(){this.__gold = 0}; Player.prototype = { get gold(){ return this.__gold * 2; }, set gold(gold){ this.__gold = gold; }, }; var p = new Player(); p.gold = 2; alert(p.gold); // 4 If 10000 objects are instantiated: … Read more
In general, you can’t undo a defineProperty call, since there’s no undo stack or something. The JS engine does not keep track of previous attribute descriptors. For example, Object.defineProperty(Object.prototype, ‘foo’, { configurable: true, value: 1, enumerable: false }); Object.defineProperty(Object.prototype, ‘foo’, { get: function () { alert(‘You cannot revert me’); return 2; }, enumerable: true }); … Read more
Since you asked a similar question, let’s take it to step by step. It’s a bit longer, but it may save you much more time than I have spent on writing this: Property is an OOP feature designed for clean separation of client code. For example, in some e-shop you might have objects like this: … Read more