__proto__ and accessor descriptors

Asen Bozhilov asen.bozhilov at gmail.com
Fri Oct 26 13:56:19 PDT 2012

I would like to define custom getter and setter for `__proto__` property:

var obj = Object.defineProperty({}, '__proto__', {
    get : function () {return '__proto__ getter'},
    set : function (){return '__proto__ setter'}

console.log(obj.__proto__); //[object Object]
console.log(obj.__proto__ = {}); //[object Object]

I didn't find an engine which outputs the values in get and set. The idea
behind my code is to reject the `__proto__` ability to change the internal

Is the above behavior should be observed according ECMAScript 6?

Thank you.
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