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9.8 Classes in ECMAScript 5

9.8 Classes in ECMAScript 5


ECMAScript 5 adds methods for specifying property attributes (getters, setters, enumerability, writability, and configurability) and for restricting the extensibility of objects. These methods were described in §6.6 , §6.7 , and §6.8.3 , but turn out to be quite useful when defining classes. The subsections that follow demonstrate how to use these ECMAScript 5 capabilities to make your classes more robust.

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