JSFiddle - React, Tailwind, and code Playground

JavaScript

var iframe = document.createElement('iframe'),
    content = 'data:text/html;charset=utf-8,<script>throw{};</scr'+'ipt>';
document.body.appendChild(iframe);
iframe.contentWindow.addEventListener('error', function (e) {
    e.stopPropagation();
    e.preventDefault();
    console.log(e);
}, false);
iframe.src = content;