Skip welcome & menu and move to editor
Welcome to JS Bin
Load cached copy from
 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>bufferCount</title>
  <script src="https://npmcdn.com/@reactivex/rxjs@5.0.0-beta.3/dist/global/Rx.umd.js"></script>
</head>
<body>
</body>
</html>
 
const source = Rx.Observable.from([1,2,3,4,5]);
//no arguments, emit last value
const example = source.last();
//output: "Last value: 5"
const subscribe = example.subscribe(val => console.log(`Last value: ${val}`));
//emit last even number
const exampleTwo = source.last(num => num % 2 === 0);
//output: "Last to pass test: 4"
const subscribeTwo = exampleTwo.subscribe(val => console.log(`Last to pass test: ${val}`));
Output

You can jump to the latest bin by adding /latest to your URL

Dismiss x
public
Bin info
anonymouspro
0viewers