timer
RxJS 5 timer
HTML
<script src="https://npmcdn.com/@reactivex/[email protected]/dist/global/Rx.umd.js"></script>JavaScript
//emit 0 after 1 second then complete, since no second argument is supplied
const source = Rx.Observable.timer(1000);
//output: 0
const subscribe = source.subscribe(val => console.log(val));