JSFiddle - React, Tailwind, and code Playground

by ZenMaster

HTML

<div class="a">First</div>
<div class="b">Second</div>

JavaScript

var a = $('.a');
var b = $('.b');

var all = $();
all = all.add(a[0]);
all = all.add(b[0]);

all.css('background', 'red');