JSFiddle - React, Tailwind, and code Playground

JavaScript

// Open the terminal

let external = (new Date()).getTime();
let blob = new Blob([external], {"type": "text\/plain"});
let file = URL.createObjectURL(blob);
fetch(file).then(res => res.text()).then(file => {
  console.log("Fetched:", new Date() - parseInt(file), 'ms');
});