JSFiddle - React, Tailwind, and code Playground
by Yuriy Petrichenko
HTML
<html>
<head>
<script src="https://unpkg.com/rxjs/bundles/rxjs.umd.min.js"></script>
</head>
<body>
<input type="text" id="first">
<input type="text" id="second">
<h1></h1>
</body>
</html>
JavaScript
const RxJs = rxjs;
const txt = document.querySelector("h1").innerText;
const inp1 = RxJs.fromEvent(first, "input");
const inp2 = RxJs.fromEvent(second, "input");
inp1.mergeMap(data => {
return data;
})
.subscribe(res => console.log(res));