while.md

Rx.Observable.while(condition, source)

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Repeats source as long as condition holds emulating a while loop. There is an alias for this method called 'whileDo' for browsers <IE9.

Arguments

1. condition (Function): The condition which determines if the source will be repeated.
2. source (Observable): The observable sequence that will be run if the condition function returns true.

Returns

(Observable): An observable sequence which is repeated as long as the condition holds.

Example