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Ilya Kantor 2019-10-11 10:43:04 +03:00
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1-js/09-classes/02-class-inheritance/article.md
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@ -64,7 +64,7 @@ Internally, `extends` keyword works using the good old prototype mechanics. It s
For instance, to find a method for `rabbit.hide()`, the engine checks: For instance, to find a method for `rabbit.hide()`, the engine checks:
1. The `rabbit` object (no `hide`). 1. The `rabbit` object (no `hide`).
2. Its prototype, that is `Rabbit.prototype` (also no `hide`). 2. Its prototype, that is `Rabbit.prototype` (also no `hide`).
3. Its prototype, that is (due to `extends`) `Animal.prototype`, that has the method. 3. Its prototype, that is (due to `extends`) `Animal.prototype`, that finally has the method.
As we can recall from the chapter <info:native-prototypes>, JavaScript uses prototypal inheritance for build-in objects. E.g. `Date.prototype.[[Prototype]]` is `Object.prototype`, so dates have generic object methods. As we can recall from the chapter <info:native-prototypes>, JavaScript uses prototypal inheritance for build-in objects. E.g. `Date.prototype.[[Prototype]]` is `Object.prototype`, so dates have generic object methods.