Discussion on: Hiding details in JavaScript classes with symbols

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Replies for: Symbol only changes the property key it does not add any privacy. The first example is equivalent to this: // here the key is type 'string' p['...

You can also enumerate property-symbols with this command:

Object.getOwnPropertySymbols(p)

So if you do not know the symbol, you can still set the property using code like this:

let p = new Person("Oliver")
// set first property-symbol to 'Nana'
p[Object.getOwnPropertySymbols(p)[0]] = 'Nana'
p.log() // I am Nana