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 clock$ = Rx.Observable.interval(500).share().take(6);

const randomNum$ = clock$
  .map(i => Math.random() * 100).share();

const smallNum$ = randomNum$
  .filter(x => x <= 50)
  .toArray();

const largeNum$ = randomNum$
  .filter(x => x > 50)
  .toArray();

  randomNum$.subscribe(x => console.log('random: ' + x) || displayInPreview('random: ' + x));
  smallNum$.subscribe(x => console.log('small:', x) || displayInPreview('small:' + x));
  largeNum$.subscribe(x => console.log('large:', x) || displayInPreview('large:' + x));
  



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