eggheadio-projects/save-time-avoiding-common-mistakes-using-rxjs: null

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# save-time-avoiding-common-mistakes-using-rxjs

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
</head>
<body>
  <div></div>
	<script src="https://unpkg.com/rxjs@5.4.3/bundles/Rx.min.js"></script>
	<script src="script.js"></script>
</body>
</html>

const resume$ = new Rx.Subject();

const res$ = resume$
  .switchMap(resume =>
    resume ?
      Rx.Observable.interval(2000) :
      Rx.Observable.empty()
  )
  .do(x => console.log('request it! ' + x) || displayInPreview('request it! ' + x))
  .switchMap(ev => Rx.Observable.ajax({
    url: 'https://jsonplaceholder.typicode.com/users/1',
    method: 'GET',
  }));

res$.subscribe(function (data) {
  console.log(data.response)|| displayInPreview(data.response.company.bs);
});

resume$.next(false);
setTimeout(() => resume$.next(true), 500);
setTimeout(() => resume$.next(false), 5000);



// display in plunker preview
function displayInPreview(string) {
  var newDiv = document.createElement("div"); 
  var newContent = document.createTextNode(string); 
  newDiv.appendChild(newContent);
  document.body.appendChild(newDiv)
}