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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>RxJS 5 Operators</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 two seconds
const source = Rx.Observable.interval(2000);
//map all emissions to one value
const example = source.mapTo('HELLO WORLD!');
//output: 'HELLO WORLD!'...'HELLO WORLD!'...'HELLO WORLD!'...
const subscribe = example.subscribe(val => console.log(val));
//emit every click on document
const clickSource = Rx.Observable.fromEvent(document, 'click');
//map all emissions to one value
const exampleTwo = clickSource.mapTo('GOODBYE WORLD!');
//output: (click)'GOODBYE WORLD!'...
const subscribeTwo = exampleTwo.subscribe(val => console.log(val));
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