sample - 2

RxJS 5 sample

by Brian Troncone

HTML

<script src="https://npmcdn.com/@reactivex/[email protected]/dist/global/Rx.umd.js"></script>

JavaScript

const source = Rx.Observable.zip(
  //emit 'Joe', 'Frank' and 'Bob' in sequence
  Rx.Observable.from(['Joe', 'Frank', 'Bob']),
  //emit value every 2s
  Rx.Observable.interval(2000)
);
//sample last emitted value from source every 2.5s
const example = source.sample(Rx.Observable.interval(2500));
//output: ["Joe", 0]...["Frank", 1]...........
const subscribe = example.subscribe(val => console.log(val));