Define a function with a prototype chain

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No, it is not possible (in a standard way). Every possibility to create a callable object (i.e., a function) will create one inheriting from Function.prototype1; and you can’t change the [[prototype]] of an object afterwards2.

See also:

1: OK, ES6 allows us to subclass Function. But that’s not as useful as it sounds.
2: Since ES6, you can use Object.setPrototypeOf.

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