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<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/5.4.0/Rx.js"></script>Rx.Observable.of(1, 2, 3, 4, 5) .filter(v => v % 2 === 0) .map(v => v * 10) .subscribe({ next: x => console.log(x), error: error => console.error(error), complete: () => console.log('complete') }); // => 20 // => 40 // => "complete"
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