from

RxJS 5 from

by Echyzen

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/6.2.1/rxjs.umd.js"></script>
<script src="https://rawgit.com/eu81273/jsfiddle-console/master/console.js"></script>

JavaScript

const timer$ = rxjs.range(1, 9)
	.pipe( 
  			 rxjs.operators.take(4),
         rxjs.operators.repeat(3)
        )

const subscription = timer$.subscribe(val => console.log(val))