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Merge pull request #1421 from paroche/patch-51

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Ilya Kantor 2019-10-10 10:59:18 +03:00 • committed by GitHub
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@ -105,7 +105,7 @@ Here's the illustration of what `rabbit instanceof Animal` compares with `Animal
By the way, there's also a method [objA.isPrototypeOf(objB)](mdn:js/object/isPrototypeOf), that returns `true` if `objA` is somewhere in the chain of prototypes for `objB`. So the test of `obj instanceof Class` can be rephrased as `Class.prototype.isPrototypeOf(obj)`.
That's funny, but the `Class` constructor itself does not participate in the check! Only the chain of prototypes and `Class.prototype` matters.
It's funny, but the `Class` constructor itself does not participate in the check! Only the chain of prototypes and `Class.prototype` matters.
That can lead to interesting consequences when `prototype` property is changed after the object is created.