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Concurrency - fix table.

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Dumitru Deveatii 2019-01-29 17:36:17 +02:00
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@ -404,13 +404,14 @@ downloadPage('https://en.wikipedia.org/wiki/Robert_Cecil_Martin', 'article.html'
});
```
Promises supports a few patterns that could be useful in some cases:
|Pattern|Description|
|-------|-----------|
|`Promise.resolve(value)`|Convert a value into a resolved promise.|
|`Promise.reject(error)`|Convert an error into a rejected promise.|
|`Promise.all(promises)`|Returns a new promise which is fulfilled with an array of fulfillment values for the passed promises or rejects with the reason of the first promise that rejects.|
|`Promise.race(promises)`|Returns a new promise which is fulfilled/rejected with the result/error of the first settled promise from the array of passed promises.|
Promises supports a few patterns that could be useful in some cases:
| Pattern | Description |
| ------------------------ | ----------------------------------------- |
| `Promise.resolve(value)` | Convert a value into a resolved promise. |
| `Promise.reject(error)` | Convert an error into a rejected promise. |
| `Promise.all(promises)` |Returns a new promise which is fulfilled with an array of fulfillment values for the passed promises or rejects with the reason of the first promise that rejects. |
| `Promise.race(promises)`|Returns a new promise which is fulfilled/rejected with the result/error of the first settled promise from the array of passed promises. |
`Promise.all` is especially useful when there is a need to run tasks in parallel. `Promise.race` makes it easier to implement things like timeouts for promises.