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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>bufferCount</title>
  <script src="https://npmcdn.com/@reactivex/rxjs@5.0.0-beta.3/dist/global/Rx.umd.js"></script>
</head>
<body>
</body>
</html>
 
//emit value every 1s
const source = Rx.Observable.interval(1000);
//sample last emitted value from source every 2s 
const example = source.sample(Rx.Observable.interval(2000));
//output: 2..4..6..8..
const subscribe = example.subscribe(console.log);
const sourceTwo = 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 exampleTwo = sourceTwo.sample(Rx.Observable.interval(2500));
//output: ["Joe", 0]...["Frank", 1]...........
const subscribeTwo = exampleTwo.subscribe(console.log);
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