JSFiddle - React, Tailwind, and code Playground

by Prashant Bansal

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/2.5.2/rx.all.min.js"></script>
<div id="log1"></div>

JavaScript

var source = Rx.Observable.fromArray([0,1,2,3,4,5]);

source.filter(x => x%2 === 1)
.map(x => x + '! ')
.forEach(x => document.getElementById("log1").innerHTML += x);