JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
        <title>Test!</title>
    </head>
    <body>
        The test should run below :)<br>
        <br>
    </body>
</html>

JavaScript

for (i=0; i<20; i++) {
    document.body.innerHTML += ('i is now ' + i + '<br>');
    if (i==10) {
        return true;
    }
}