December 2015
Intermediate to advanced
144 pages
3h 37m
English
Content preview from Reactive Programming with RxJSBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Operator Rundown
This chapter presented you with a few new operators, so here’s a recap of them, along with some scenarios for ways we can use them in our applications. Remember, you can always find the complete API documentation for operators on the RxJS GitHub site.[16]
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Rx.Observable.from
Default behavior: Synchronous
Since many of the data sources you use in your applications will come from arrays or iterables, it makes sense to have an operator that creates Observables out of them. from is one of the operators you’ll use the most.
With from we can create Observables from arrays, array-like objects (for instance, the arguments object or DOM NodeLists), and even types that implement the iterable protocol, such as String, Map, and Set
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.