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sarink/private.js

Last active December 25, 2022 21:56
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private.js
// Sample demo of how to gain access to "private" variables in JavaScript,
// even if they'd normally be inaccessible due to the closure.
var Table = function () {
var _array = ["super", "secret", "message"];
return {
get: function (i) { return _array[i]; },
store: function (i,v) { _array[i] = v; },
append: function (v) { _array.push(v); }
};
};
var t = new Table(); // how would we ever gain access to the secret private internal `_array_`??
var stolenArray;
t.store("push", function () { stolenArray = this; });
t.append("whocares");
console.log(stolenArray); // ["super", "secret", "message"]
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