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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);
const example = source
  .flatMap(val => {
    //throw error for demonstration
    if(val > 5){
      return Rx.Observable.throw('Error!');
    }
    return Rx.Observable.of(val);
  })
  //retry 2 times on error
  .retry(2);
/*
  output: 
  0..1..2..3..4..5..
  0..1..2..3..4..5..
  0..1..2..3..4..5..
  "Error!: Retried 2 times then quit!"
*/
const subscribe = example
  .subscribe({
     next: val => console.log(val),
     error: val => console.log(`${val}: Retried 2 times then quit!`)
});
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