Rx.Observable.prototype.timeoutwithselector([firstTimeout], timeoutDurationSelector, [other])

Returns the source observable sequence, switching to the other observable sequence if a timeout is signaled.

参数

1. [firstTimeout=Rx.Observable.never()] (Observable): Observable sequence that represents the timeout for the first element. If not provided, this defaults to Rx.Observable.never().
2. timeoutDurationSelector (Function): Selector to retrieve an observable sequence that represents the timeout between the current element and the next element.
3. [other=Rx.Observable.throw] (Scheduler):Sequence to return in case of a timeout. If not provided, this is set to Observable.throw

返回值

(Observable): The source sequence switching to the other sequence in case of a timeout.

例

Without a first timeout

With no other

With other