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  1. How can we make methods available on all objects?

    2. A.

     Object.add(methods)
    B.

     Object.methods(add)
    C.

     Object.add.methods(…)
    D.

     Object.prototype

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    Answer : Option D

    Explanation :

    It is possible to add methods to Object.prototype, making them available on all objects. This is not recommended, however, because prior to ECMAScript5, there is no way to make these add-on methods nonenumerable, and if you add properties to Object.prototype, those properties will be reported by all for/in loops.

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