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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>RxJS 5</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 100ms
const source = Rx.Observable.interval(100);
//ignore everything but complete
const example = source
  .take(5)
  .ignoreElements();
//output: "COMPLETE!"
const subscribe = example.subscribe(
  val => console.log(`NEXT: ${val}`),
  val => console.log(`ERROR: ${val}`),
  () => console.log('COMPLETE!')
);
//ignore everything but error
const error = source
  .flatMap(val => {
    if(val === 4){
      return Rx.Observable.throw(`ERROR AT ${val}`);
    }
    return Rx.Observable.of(val);
  })
  .ignoreElements();
//output: "ERROR: ERROR AT 4"
const subscribeTwo = error.subscribe(
  val => console.log(`NEXT: ${val}`),
  val => console.log(`ERROR: ${val}`),
  () => console.log('SECOND COMPLETE!')
);
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