How to assign value to undefined

Question

Todd mentioned in his article that it is possible to assign a value of undefined(as a reason to put the object into arguments without assigning it):

In ECMAScript 3, undefined is mutable. Which means its value could be reassigned, something like undefined = true; for instance, oh my! Thankfully in ECMAScript 5 strict mode ('use strict';) the parser will throw an error telling you you're an idiot. Before this, we started protecting our IIFE's by doing this:

(function (window, document, undefined) {

})(window, document);

Which means if someone came along and did this, we'd be okay:

undefined = true;
(function (window, document, undefined) {
    // undefined is a local undefined variable
})(window, document);

However, I tried to assign it without any luck:

$ undefined = true
$ true
$ undefined
$ undefined

Can anyone say how to do that? Just out of curiosity. Or new browsers dont allow this anymore?

Answer 1

Putting as an answer:

(function(undefined){

    console.log("\"undefined\" parameter:", undefined);

})("test");

It will work.