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closes #1589

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Ilya Kantor 2019-11-06 20:37:01 +03:00
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1-js/09-classes/03-static-properties-methods/article.md
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@ -123,14 +123,15 @@ That is the same as a direct assignment to `Article`:
Article.publisher = "Ilya Kantor"; Article.publisher = "Ilya Kantor";
``` ```
## Inheritance of static methods ## Inheritance of static properties and methods
Static methods are inherited. Static properties and methods are inherited.
For instance, `Animal.compare` in the code below is inherited and accessible as `Rabbit.compare`: For instance, `Animal.compare` and `Animal.planet` in the code below are inherited and accessible as `Rabbit.compare` and `Rabbit.planet`:
```js run ```js run
class Animal { class Animal {
static planet = "Earth";
constructor(name, speed) { constructor(name, speed) {
this.speed = speed; this.speed = speed;
@ -167,6 +168,8 @@ rabbits.sort(Rabbit.compare);
*/!* */!*
rabbits[0].run(); // Black Rabbit runs with speed 5. rabbits[0].run(); // Black Rabbit runs with speed 5.
alert(Rabbit.planet); // Earth
``` ```
Now when we call `Rabbit.compare`, the inherited `Animal.compare` will be called. Now when we call `Rabbit.compare`, the inherited `Animal.compare` will be called.