throw.md

Rx.Observable.throw(exception, [scheduler])

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Returns an observable sequence that terminates with an exception, using the specified scheduler to send out the single onError message.

Arguments

1. dueTime (Any): Absolute (specified as a Date object) or relative time (specified as an integer denoting milliseconds) at which to produce the first value.
2. [scheduler=Rx.Scheduler.immediate] (Scheduler): Scheduler to send the exceptional termination call on. If not specified, defaults to the immediate scheduler.

Returns

(Observable): The observable sequence that terminates exceptionally with the specified exception object.

Example