JSFiddle - React, Tailwind, and code Playground

HTML

<div class="myClass"></div>

CSS

.myClass {
    height:50px;
    width:500px;
    color:red;
    border:1px solid red;
}

JavaScript

var text = "Hello World!";
// JavaScript Selector
document.querySelector(".myClass").html(text);

// jQuery Selector
// $(".myClass").html(text);