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ch03: fix possible typo in "Local Symbols" section #60

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Jun 18, 2018
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ch03: fix possible typo in "Local Symbols" section #60

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2 changes: 1 addition & 1 deletion ch03.asciidoc
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Expand Up @@ -428,7 +428,7 @@ console.log(JSON.stringify(character))
// <- '{"name":"Penguin"}'
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That being said, symbols are by no means a safe mechanism to conceal properties. Even though you won't stumble upon symbol properties when using reflection or serialization methods, symbols are revealed by a dedicated method as shown in the next snippet of code. In other words, symbols are not nonenumerable, but hidden in plain sight. Using `Object.getOwnPropertySymbols` we can retrieve all symbols used as property keys on any given object.
That being said, symbols are by no means a safe mechanism to conceal properties. Even though you won't stumble upon symbol properties when using pre-ES6 reflection, iteration or serialization methods, symbols are revealed by a dedicated method as shown in the next snippet of code. In other words, symbols are not nonenumerable, but hidden in plain sight. Using `Object.getOwnPropertySymbols` we can retrieve all symbols used as property keys on any given object.

[source,javascript]
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