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added showStep method to our chain in the task

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Tofpu 2021-11-16 09:37:00 +02:00 • committed by GitHub
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1-js/04-object-basics/04-object-methods/8-chain-calls/task.md
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@ -28,12 +28,14 @@ ladder.up();
ladder.up(); ladder.up();
ladder.down(); ladder.down();
ladder.showStep(); // 1 ladder.showStep(); // 1
ladder.down();
ladder.showStep(); // 0
``` ```
Modify the code of `up`, `down` and `showStep` to make the calls chainable, like this: Modify the code of `up`, `down` and `showStep` to make the calls chainable, like this:
```js ```js
ladder.up().up().down().showStep(); // 1 ladder.up().up().down().showStep().down().showStep(); // shows 1 then 0
``` ```
Such approach is widely used across JavaScript libraries. Such approach is widely used across JavaScript libraries.