JSFiddle - React, Tailwind, and code Playground

by Sergi Mansilla

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/2.2.10/rx.js"></script>

JavaScript

var range =  Rx.Observable.range(0, 3000000);
range.subscribe(
    function (x) {
    },
    function (err) {
    },
    function () {
        console.log('Completed');   
    });
console.log("Hello World")