.DS_Store
# 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 id="foo"></div>
	<script src="https://unpkg.com/rxjs@5.4.3/bundles/Rx.min.js"></script>
	<script src="script.js"></script>
</body>
</html>
// const x$ = new Rx.Subject();

const click$ = Rx.Observable
  .fromEvent(document, 'click');

const x$ = click$.map(ev => ev.clientX);

// click$.subscribe({
//   next: function (ev) {
//     x$.next(ev.clientX);
//   }
// });

x$.subscribe({
  next: function next(x) {
    console.log(x) || displayInPreview(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)
}