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Extending JavaScript Natives
Most built-in JavaScript types are constructors whose prototypes contain the methods and other properties that define their default behavior: //(results will vary by browser) Object.getOwnPropertyNames(Function.prototype) //["bind", "arguments", "toString", "length", "call", "name", "apply", "caller", "constructor"] You can’t delete or replace a native prototype, but you can edit the values of its
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