JSFiddle - React, Tailwind, and code Playground

HTML

<pre id="log"></pre>

JavaScript

var storedText;

fetch('https://fiddle.jshell.net/robots.txt')
  .then(function(response) {
    response.text().then(function(text) {
      storedText = text;
      done();
    });
  });

function done() {
  document.getElementById('log').textContent =
    "Here's what I got! \n" + storedText;
}