JSFiddle - React, Tailwind, and code Playground

by Rusln

HTML

<h2 >header</h2>
<h2>header</h2>
<h2>header</h2>
<h2>header</h2>
<h2>header</h2>

CSS

.red{
    background: red;
}

JavaScript

$("h2").on("click",function(){
    $(this).addClass("red");
    $("h2").not(this).removeClass("red");
});