RxJS cache
Playground for RxJS 5.0.0 with ES2015 (Babel)
HTML
<script src="https://npmcdn.com/@reactivex/[email protected]/dist/global/Rx.umd.js"></script>
Babel + JSX
let i = 0;
const single = Rx.Observable.create(() => i++);
single.subscribe((x) => console.log(), (err) => console.error(err));
single.subscribe((x) => console.log(), (err) => console.error(err));