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Merge pull request #1417 from paroche/patch-51

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Ilya Kantor 2019-10-07 04:45:30 +03:00 • committed by GitHub
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@ -21,7 +21,7 @@ alert(filteredArr); // 10, 50
alert(filteredArr.isEmpty()); // false alert(filteredArr.isEmpty()); // false
``` ```
Please note a very interesting thing. Built-in methods like `filter`, `map` and others -- return new objects of exactly the inherited type `PowerArray`. Their internal implementation uses object `constructor` property for that. Please note a very interesting thing. Built-in methods like `filter`, `map` and others -- return new objects of exactly the inherited type `PowerArray`. Their internal implementation uses the object's `constructor` property for that.
In the example above, In the example above,
```js ```js