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docs for catch

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Leo Horie 2015-07-23 21:52:32 -04:00
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docs/mithril.deferred.md
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@ -201,7 +201,7 @@ Deferred deferred() {void onerror(Error e)}
where: where:
Deferred :: Object { Promise promise, void resolve(any value), void reject(any value) } 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]) GetterSetter :: any getterSetter([any value])
``` ```
@ -213,6 +213,8 @@ where:
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) 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)]])** - **Promise then([any successCallback(any value) [, any errorCallback(any value)]])**
This method accepts two callbacks which process a value passed to the `resolve` and `reject` methods, respectively, and pass the processed value to the returned promise This method accepts two callbacks which process a value passed to the `resolve` and `reject` methods, respectively, and pass the processed value to the returned promise