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docs for catch

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Leo Horie 2015-07-23 21:52:32 -04:00
parent d6cbba0b2e
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docs/mithril.deferred.md
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@ -201,7 +201,7 @@ Deferred deferred() {void onerror(Error e)}
where:
Deferred :: Object { Promise promise, void resolve(any value), void reject(any value) }
Promise :: GetterSetter { Promise then(any successCallback(any value), any errorCallback(any value)) }
Promise :: GetterSetter { Promise then(any successCallback(any value), any errorCallback(any value)), Promise catch(any errorCallback(any value)) }
GetterSetter :: any getterSetter([any value])
```
@ -212,6 +212,8 @@ where:
The `then` method returns another promise whose computations (if any) receive their inputs from the parent promise's computation.
A promise is also a getter-setter (see [`m.prop`](mithril.prop.md)). After a call to either `resolve` or `reject`, it holds the result of the parent's computation (or the `resolve`/`reject` value, if the promise has no parent promises)
Promises also have a method called `catch`, which is equivalent to calling `then(null, errorCallback)`
- **Promise then([any successCallback(any value) [, any errorCallback(any value)]])**