JSFiddle - React, Tailwind, and code Playground

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<h1>&lt;script&gt;alert("hi, I'm malicious script");&lt;/script&gt;</h1>
<h3></h3>

JavaScript

$("h3").append($("h1").text());